Best Exhaust For 2nd Gen Cummins That Boosts Power Fast
If you own a 2nd gen Cummins truck, you likely want to improve its performance and sound without compromising durability. Choosing the best exhaust for 2nd gen Cummins can be challenging with so many options available. The right exhaust system not only enhances engine efficiency but also delivers a balanced tone and better fuel economy.
This product category is designed specifically for Dodge Ram trucks powered by the 9L Cummins engine, popular among drivers who tow, haul, or simply want a reliable upgrade.
A quality exhaust can reduce backpressure and improve airflow, resulting in smoother operation and potentially increased power. In this review, we will explore several exhaust systems tailored for the 2nd gen Cummins, focusing on build quality, performance gains, sound characteristics, and ease of installation. Whether you want a quiet daily driver or a louder, more aggressive tone, this guide will help you find the exhaust that matches your needs.
Whether you want a quiet daily driver or a louder, more aggressive tone, this guide will help you find the exhaust that matches your needs.
Unlock Peak Performance and Sound with These Top Exhaust Choices for Your Diesel Beast
| Image | Product | Price |
|---|---|---|
Our Top Picks 1 ![]() | Upower 4″ Inlet Diesel Exhaust Muffler 7″ x 24″ Body | Buy Now |
Our Top Picks 2 ![]() | CUMMINS NW Cummins Onan 155-2449 Exhaust Product | Buy Now |
Our Top Picks 3 ![]() | MBRP 2004.5-2005 Dodge Cummins 600/610 (fits to stock only) High-Flow | Buy Now |
1. Upower 4″ Inlet Diesel Exhaust Muffler 7″ x 24″ Body

Upgrade your diesel exhaust system with the Upower 4 Inlet Diesel Exhaust Muffler, designed to balance performance and sound control. Its robust stainless steel construction ensures durability, while the straight-through design enhances exhaust flow for better engine efficiency.
Perfect for vehicles needing a 4-inch exhaust pipe fitment, this muffler features a universal design that caters to various diesel setups. Whether on the highway or hauling heavy loads, it keeps unwanted noise and drone in check without sacrificing the turbo whistle sound.
The muffler measures 30 inches overall, with a 24-inch body length and a 7-inch round shape that fits seamlessly into most exhaust systems. Both inlet and outlet boast a 4-inch inner diameter, allowing flexible installation options without worrying about directional restrictions.
Constructed with stainless steel and integrated CRF technology, the muffler effectively absorbs interior resonance, reducing noise levels inside the vehicle. This results in a comfortable driving experience even during long trips or while towing trailers.
Installing the Upower muffler is straightforward, thanks to its compatible dimensions and sturdy material suitable for welding.
Offering excellent value, it addresses common issues like exhaust drone and harsh sound without compromising performance. Ideal for those looking to upgrade their diesel exhaust with a reliable, quiet, and easy-to-install solution that fits most 4-inch pipe setups.
Pros
- Durable stainless steel with 100% welded construction for longevity
- Straight-through design improves exhaust velocity and reduces restrictions
- CRF fiberglass technology minimizes interior noise and resonance
Cons
- May slightly alter exhaust sound compared to stock mufflers
This Upower muffler blends durability and sound control, making it a solid upgrade for diesel trucks with 4-inch exhaust pipes. It stands out for its universal fitment and robust build quality, delivering a smoother drive with reduced drone. For those comparing, it offers a quieter alternative to louder aftermarket options without losing performance benefits.
| Specification | Details |
|---|---|
| Brand | Upower |
| Vehicle Service Type | Universal |
| Shape | Round, Straight-through |
| Inlet Connection Size | 4 Inches |
| Outlet Connection Size | 4 Inches |
| Material | Stainless steel with CRF fiberglass |
| Overall Length | 30 Inches |
| Body Length | 24 Inches |
| Body Type | 7″ Round |
| Weight | 15.97 pounds |
| Manufacturer Part Number | 185988 |
2. CUMMINS NW Cummins Onan 155-2449 Exhaust Product

Enhance your Cummins Onan KY generator’s performance with the CUMMINS NW Cummins Onan 155-2449 Exhaust Resonator. Designed to reduce noise levels, it delivers a quieter and more pleasant generator operation, making it ideal for campground and outdoor settings.
D. exhaust pipes for reliable compatibility.
Crafted with precision machining, the resonator ensures durability and consistent performance under various conditions. Its installation requires a separate 1-1/2 pipe clamp, providing flexibility for customization and secure fitting.
This exhaust product effectively muffles high-pitched tones, turning them into a soft “hum” that is less intrusive to surrounding environments.
The exhaust resonator is manufactured by Cummins, a trusted name in power solutions. It weighs just one pound but spans over 33 inches, designed to deliver efficient sound attenuation without bulky additions.
Performance-wise, the muffler excels in reducing the common sharp exhaust sounds, enhancing comfort during generator use. Suitable for those seeking quieter operation during camping or work, it balances functionality and noise control effectively. Ease of installation caters to users with basic mechanical knowledge, speeding up the enhancement of your generator’s exhaust system.
Ease of installation caters to users with basic mechanical knowledge, speeding up the enhancement of your generator’s exhaust system.
Durable build quality ensures longevity, and the product’s design complements standard exhaust units without hindering exhaust flow. This adds considerable value for anyone aiming to improve their generator’s running environment. Compared to generic mufflers, the Cummins resonator provides a tailored fit and reliable noise reduction specific to Onan KY generators.
Compared to generic mufflers, the Cummins resonator provides a tailored fit and reliable noise reduction specific to Onan KY generators.
Pros
- Effectively reduces high-pitched exhaust noise for quieter operation
- Machined exterior ensures durability and a snug fit
- Compatible with standard 1-1/2″ O.D. exhaust pipes for easy integration
Cons
- Requires separate 1-1/2″ pipe clamp for installation
This exhaust resonator offers a practical sound management solution tailored for Cummins Onan generators. Its reliable construction and noise reduction capability enhance user experience during extended generator use.
| Specification | Details |
|---|---|
| Manufacturer | Cummins/Onan |
| Brand | Cummins |
| Model | 155-2449 |
| Item Weight | 1 pound |
| Dimensions | 33.27 x 11.68 x 9.86 inches |
| Part Number | 155-2449 |
| Compatible Generators | Cummins Onan KY Series |
3. MBRP 2004.5-2005 Dodge Cummins 600/610 (fits to stock only) High-Flow

Enhance the performance and sound of your 5-2005 Dodge Cummins with the MBRP High-Flow Muffler.
This muffler fits stock exhaust systems with an easy bolt-on installation. Built with durable T409 stainless steel, it promises longevity even under harsh driving conditions.
The MBRP High-Flow Muffler is engineered to produce higher exhaust flow, helping your Dodge Cummins breathe better and perform more efficiently. The stainless steel construction resists corrosion and withstands high temperatures for lasting use.
Installation is straightforward with a simple bolt-on design, so modifications aren’t necessary if working with the stock exhaust. To secure the muffler properly, a few 4 lap joint clamps are recommended unless welding is preferred.
Sound-wise, it reduces the sharp crackle found in straight pipe setups while maintaining a louder and deeper exhaust note than stock. This makes it ideal for truck owners who want an aggressive sound without overwhelming noise during idle or neighborhood driving.
Precision craftsmanship ensures the muffler fits exactly and performs as intended. It is directional, meaning it must be installed with the exhaust flowing over the scallops inside to optimize sound and flow.
Overall, it suits drivers looking to improve their 9L Cummins-powered Dodge Rams from
5 through The muffler represents solid value, combining ease of use, enhanced exhaust flow, and satisfying sound clarity.
Pros
- Durable T409 stainless steel construction ensures long lifespan
- Improves exhaust flow while providing a deeper, richer tone
- Simple bolt-on installation compatible with stock exhaust systems
Cons
- Missing installation instructions may require prior exhaust knowledge
The MBRP 5-2005 Dodge Cummins High-Flow Muffler is a reliable upgrade that enhances your truck’s exhaust sound and performance without drastic modifications. Its robust build and balanced acoustic output make it a practical choice for those seeking an upgrade to the factory system.
Its robust build and balanced acoustic output make it a practical choice for those seeking an upgrade to the factory system.
| Feature | Details |
|---|---|
| Brand | MBRP |
| Fitment | 2004.5-2007 Dodge Ram 5.9L Cummins (stock exhaust only) |
| Material | T409 Stainless Steel |
| Weight | 10.5 Pounds |
| Installation | Bolt-on (requires 4″ lap joint clamps or welding) |
| Manufacturer Part Number | MK96116 |
4. BD Diesel Performance 1045987 Pulse Exhaust Manifold for 03-07 Dodge

Enhance your 2003-2007 Dodge Ram’s performance with the BD Diesel Performance 1045987 Pulse Exhaust Manifold. Designed as a direct replacement for Cummins models 3967995, 3943871, and 3943875, it ensures seamless compatibility and straightforward installation.
Engineered to optimize exhaust flow, this manifold improves engine efficiency and responsiveness. The painted exterior not only adds corrosion resistance but also maintains an attractive look under the hood. Packed securely for safe delivery, the product arrives ready to boost your truck’s performance without compromising quality.
The BD Diesel Performance 1045987 Pulse Exhaust Manifold provides excellent airflow designed specifically for 9L Cummins engines found in Dodge Ram trucks from 2003 to
The manifold’s exact fit reduces installation time and avoids common leak points.
Made from high-quality materials, the unit withstands heat and daily wear, ensuring long-lasting durability. Its painted finish offers additional protection against rust and harsh environmental conditions.
This manifold caters to truck owners seeking enhanced performance without complicated modifications.
Offering a balance of performance and reliability, it is suitable for those who want better engine breathing and power delivery. It is a practical upgrade for drivers wanting a dependable component that matches OEM specifications.
Pros
- Direct replacement for OEM Cummins manifolds ensuring perfect fit.
- Painted finish offers enhanced corrosion resistance and durability.
- Improves exhaust flow for better engine performance and throttle response.
Cons
- Weighs 25 pounds, which may require careful handling during installation.
The BD Diesel Performance 1045987 Pulse Exhaust Manifold is a solid choice that combines durability, ease of installation, and functional improvements. It offers a reliable solution tailored for 2nd gen Cummins engines, helping drivers maintain and enhance their truck’s performance over time.
| Specification | Details |
|---|---|
| Manufacturer | BD Diesel Performance |
| Brand | BD |
| Model | 1045987 |
| Item Weight | 25 pounds |
| Exterior | Painted |
| OEM Part Number | 3967995, 3943871 & 3943875 |
5. CUMMINS NW Cummins Onan (155-3481-02 Tail Pipe/Exhaust Kit

Upgrade your Cummins Onan generator with the CUMMINS NW Tail Pipe/Exhaust Kit, designed for dependable performance and easy installation. This kit features a USDA Forest Service approved spark arrester muffler, ensuring safety and compliance during use. Tailored to fit perfectly, it supports efficient exhaust flow to keep your generator running smoothly.
Tailored to fit perfectly, it supports efficient exhaust flow to keep your generator running smoothly.
Built to connect seamlessly with the 1-3/8 inch outer diameter down tube, the 26-inch tailpipe includes everything needed for a secure setup. Its durable construction helps withstand harsh outdoor conditions, making it ideal for RV owners and anyone relying on their Cummins Onan generator for power.
The kit includes a tailpipe, clamp, and hanger for straightforward assembly, reducing installation time. The spark arrester muffler integrated into the system minimizes fire risks in sensitive environments like forests.
Quality materials guarantee longevity and resistance against corrosion, which benefits users seeking a reliable exhaust solution. This tailpipe kit fits well on HGJAB RV generator sets, making it a practical replacement or upgrade.
Providing a well-engineered solution, it suits RV owners and those who prioritize clean exhaust discharge and legal compliance. Compared to other kits, this one stands out by including the necessary hardware and a spark arrester muffler certified by the USDA Forest Service.
Pros
- Includes spark arrester muffler approved by USDA Forest Service
- Complete kit with tailpipe, clamp, and hanger for easy installation
- Durable construction ensures long-lasting performance
Cons
- Specifically designed for HGJAB RV generator sets, limiting universal compatibility
The CUMMINS NW Tail Pipe/Exhaust Kit delivers a solid combination of safety, durability, and convenience for Cummins Onan generator owners. Its approved spark arrester and quality components make it a dependable choice for maintaining proper exhaust function.
| Specification | Details |
|---|---|
| Item Model Number | 155-3481-02 |
| Manufacturer Part Number | 155-3481-02 |
| Product Weight | 1.82 pounds |
| Product Dimensions | 34 x 12.7 x 5 inches |
| UPC | 690781002920 |
| Tailpipe Length | 26 inches |
| Compatible Generator Type | Cummins Onan HGJAB RV sets |
6. CUMMINS NW Cummins 1551258 Onan Muffler

The CUMMINS NW Cummins 1551258 Onan Muffler offers reliable noise reduction and durability for your RV generator. Designed with precise specifications, it ensures a perfect fit and efficient exhaust performance.
Crafted in the United States, this muffler addresses common issues such as rust and exhaust leaks, making it a practical upgrade. Its configuration provides enhanced sound deadening, contributing to a quieter and safer generator operation.
Replacing worn-out mufflers becomes hassle-free with the Cummins 1551258 model. The design moves the input tube to the end of the muffler body, improving exhaust flow and efficiency. Installation is straightforward, often taking less time than removing older components.
Constructed with quality materials, it withstands moisture buildup and features a drain plug for seasonal maintenance. Users find it effective at eliminating rust-related leaks, enhancing cabin safety from exhaust gases. Its compatibility with Onan BFA
0 generators makes it a suitable choice for RV owners needing reliable exhaust performance.
This muffler’s robust build and user-focused design combine functionality with longevity. The round shape and vehicle-specific fit ensure seamless integration without modifications.
It balances ease of use with quiet operation, offering value through durability and effective sound suppression.
Pros
- Improved exhaust flow with input tube positioned at the end
- Durable construction resists rust and corrosion
- Easy installation and maintenance with a built-in drain plug
Cons
- Designed specifically for Onan BFA 4.0 generators; not universal
The Cummins 1551258 Onan Muffler stands out as a reliable component for maintaining quiet and safe generator performance. Its thoughtful design and sturdy materials deliver consistent results, especially for RV users prioritizing noise reduction and longevity.
Specification Details Brand Cummins Model Number 155-1258 Item Dimensions (L x W x H) 22.63 x 8.88 x 7.25 inches Item Weight 1 pound (16 ounces) Shape Round Manufactured United States Vehicle Fit Type Vehicle Specific Fit (Onan BFA 4.0 generator) Manufacturer Part Number 155-1258
7. Exhaust Gas Recirculation (EGR) Line Fits For Dodge Ram 2500、3500、4500、5500

Maintain your Dodge Ram’s efficiency and engine health with the Exhaust Gas Recirculation (EGR) Line designed for Ram 2500, 3500, 4500, and 5500 models. This replacement part is engineered to restore proper air-fuel balance, ensuring smoother engine performance.
7L Cummins Diesel engine effectively.
Compatible with select Ram models from 2007 to 2012, it provides a straightforward solution when the original EGR line encounters issues caused by deposits or leakage. The stainless steel construction offers excellent corrosion and weather resistance for long-term reliability.
Designed to match OEM specifications, this EGR line fits precisely and functions just like the factory-installed component. Its robust materials prevent common failures such as blockages and leaks, keeping your EGR system operating efficiently. The improved airflow helps maintain engine balance and reduces potential emission problems.
The improved airflow helps maintain engine balance and reduces potential emission problems.
Installation is user-friendly due to the direct fit design, allowing replacement without extensive modifications. Support resources like installation videos and professional mechanic advice can assist with the process. This part suits truck owners who want to maintain peak engine condition without replacing the entire EGR system.
Offering reliability and durability, it stands out compared to generic alternatives that may suffer early wear or poor fitment. While primarily a mechanical component, its contribution to engine efficiency and emission control delivers significant value for maintenance and repair needs.
Pros
- Wide compatibility across multiple Dodge Ram 6.7L Cummins diesel models
- Constructed from corrosion-resistant stainless steel for longevity
- Easy to install with OEM-style fit and available support resources
Cons
- Limited to specific model years (2007-2012), not suitable for newer trucks
For owners seeking a reliable replacement EGR line that performs consistently under demanding conditions, this option delivers solid quality and fit. It ensures the air-fuel system remains balanced while resisting corrosion and blockages, helping your Cummins engine run smoothly. Below is a summary of specifications for quick reference.
Below is a summary of specifications for quick reference.
Specification Details Manufacturer Maigoo Part Number MTH78 Weight 6.4 ounces Dimensions 1 x 1 x 1 inches Color Stainless Steel Compatibility Dodge Ram 2500, 3500 (2007-2012), 4500, 5500 (2008-2012) Batteries Required No
8. 5.9 High Flow Intake Elbow Compatible with Dodge Ram 2500

Upgrade your Dodge Ram 2500 or 3500 with the 9 High Flow Intake Elbow, designed specifically for
5-2002 models featuring the 9L Cummins Diesel engine. This intake elbow offers improved airflow and durability, enhancing overall engine performance.
Crafted with precision using mandrel bent tubing and full TIG welds, this intake elbow combines strength and efficiency. It’s an effective replacement part that ensures reliable operation and optimizes your engine’s breathing capability.
The 9 High Flow Intake Elbow fits perfectly on compatible Dodge Ram trucks, supporting optimal air intake flow for better combustion and power.
Its mandrel bent design minimizes restrictions, contributing to smoother boost delivery and improved efficiency. Pressure tested for quality assurance, it upholds high standards in performance and reliability.
Included in the package are the intake elbow itself, a gasket for secure sealing, and four 1/8 NPT fittings which can accommodate a boost gauge. While the product doesn’t come with an installation manual, professional installation is advised to ensure precise fitment and function. Its weight of
Its weight of 01 pounds strikes a good balance between durability and ease of handling during installation.
Rather than an off-the-shelf part, this elbow is engineered specifically to match 9L Cummins engines from 5 to 2002, making it a great choice for those aiming to maintain or improve their diesel truck’s performance.
5 to 2002, making it a great choice for those aiming to maintain or improve their diesel truck’s performance. Compared to generic intake elbows, this model offers direct compatibility and superior build quality, making it a strong contender for anyone seeking a reliable upgrade.
Pros
- Mandrel bent tubing minimizes airflow restrictions for better engine breathing.
- Pressure tested and TIG welded for long-lasting durability and leak prevention.
- Includes gasket and multiple fittings for flexible boost gauge installation.
Cons
- Does not include an installation manual, requiring professional installation or prior knowledge.
This intake elbow balances quality construction with practical features, making it a smart upgrade for Dodge Ram owners running 9L Cummins engines. It delivers a noticeable improvement in airflow and engine response, standing out when compared with many generic alternatives.
The attention to detail in its design and materials confirms its dedication to durability and performance.
| Specification | Details |
|---|---|
| Fits Model | 1998.5-2002 Dodge Ram 2500/3500 5.9L Cummins Diesel |
| Material | Mandrel bent tubing with full TIG welds |
| Package Includes | 1 Intake Elbow, 1 Gasket, 4 x 1/8 NPT fittings |
| Weight | 2.01 pounds |
| Part Number | TUBE-06 |
9. Truck Exhaust Kits – Shop Line Dual Exhaust Sytem 2.5

Upgrade your 2nd Gen Cummins with the Truck Exhaust Kits – Shop Line Dual Exhaust System 5, designed to enhance both performance and sound.
Crafted for a precise fit, it eliminates the need for welding and comes with all necessary installation hardware. The painted exterior not only adds a sleek look but also protects against corrosion, ensuring long-lasting use for your truck.
The dual exhaust system features a 5-inch pipe diameter that improves exhaust flow and reduces backpressure.
The system’s design boosts your truck’s horsepower and torque without compromising fuel efficiency.
Installation is straightforward, requiring no welding thanks to the included hardware and adapters. This setup works well for those who want to upgrade their exhaust without professional assistance or complicated tools. Built for durability and performance, it fits perfectly with the 2nd Gen Cummins’ specifications.
Built for durability and performance, it fits perfectly with the 2nd Gen Cummins’ specifications.
Compared to stock replacements, this exhaust system offers a cost-effective upgrade offering better sound and improved exhaust flow. It suits truck owners who value reliability, performance, and simple installation in one comprehensive package.
Pros
- Includes all installation hardware, no welding required
- Durable painted exterior resistant to corrosion
- Improves exhaust flow for enhanced engine performance
Cons
- Some users may prefer a polished finish over painted exterior
With its user-friendly installation and performance gains, the Truck Exhaust Kits – Shop Line Dual Exhaust System 5 is a practical choice for upgrading your Cummins.
Specification Details OEM Part Number AM25DR9403CBEBW18455 Product Dimensions 48 x 20 x 9 inches Exterior Finish Painted Manufacturer Part Number AM25DR9403CBEBW18455
10. GlowShift Diesel Gauge Package Compatible with Dodge Ram Cummins 2500

Upgrade your 1998-2002 Dodge Ram Cummins 2500 or 3500 truck with the GlowShift Diesel Gauge Package. Designed to provide precise monitoring, this comprehensive kit enhances your driving experience by delivering accurate engine data directly to your dashboard. It combines style and functionality in a sleek triple pillar pod tailored to fit perfectly.
It combines style and functionality in a sleek triple pillar pod tailored to fit perfectly.
Each gauge offers vibrant 7-color illumination, making readings clear whether day or night. Along with easy-to-follow installation instructions, it simplifies upgrading your truck’s instrumentation. This system helps maintain optimal engine performance by monitoring boost, fuel pressure, and exhaust gas temperature effectively.
Comprising a 60 PSI boost gauge, 1500°F pyrometer Exhaust Gas Temperature (EGT) gauge, and a 30 PSI fuel pressure gauge, the set delivers reliable and real-time engine data. Each gauge includes necessary sensors, wiring harnesses, and adapters to integrate seamlessly with your Dodge Ram’s unique setup.
The black triple pillar pod replaces the factory A-pillar and is crafted from durable ABS plastic for lasting strength. Its tinted 7-color series lenses provide customizable viewing options for driver preference and improved visibility in different lighting conditions.
Installing the package is straightforward with the included step-by-step guide complete with photos. This kit is ideal for Cummins diesel truck owners who want detailed engine metrics without complex modifications.
It balances excellent build quality with practical performance features, offering solid value for maintaining your vehicle’s health and efficiency.
Pros
- Comprehensive gauge set includes boost, fuel pressure, and EGT monitoring
- Custom fit triple pillar pod designed for 1998-2002 Dodge Ram 2500/3500
- Clear, colorful illumination with seven solid colors and two cycle modes
Cons
- Color memory resets to blue after truck shutdown despite settings preference
GlowShift’s Diesel Gauge Package is a dependable upgrade for Dodge Ram owners seeking precise engine monitoring with easy installation. While the color memory feature could be improved, its overall functionality and durable design make it a beneficial addition for maintaining engine performance.
| Specification | Details |
|---|---|
| Manufacturer | GlowShift Gauges |
| Brand | GlowShift |
| Item Weight | 4 pounds |
| Package Dimensions | 36.22 x 6.38 x 6.3 inches |
| Model Number | GS-304_T7DS2 |
| Compatibility | 1998-2002 Dodge Ram 2500/3500 Cummins 5.9L 24-Valve Diesel |
| Included Gauges | Boost, Fuel Pressure, EGT |
| Material | ABS Plastic |
| Warranty | One-Year Limited Warranty |
11. GlowShift Diesel Gauge Package Compatible with Dodge Ram Cummins 2500

Enhance your Dodge Ram Cummins 2500’s dashboard with the GlowShift Diesel Gauge Package designed specifically for 1998-2002 models. This all-in-one kit combines functionality and style, delivering precise monitoring for your diesel engine’s performance.
It offers a seamless blend of factory aesthetics and advanced gauge technology.
Engineered with a factory color-matched triple pillar pod, the package neatly integrates three critical gauges. Whether tracking boost pressure, exhaust gas temperature, or fuel pressure, it provides clear readings with its tinted 7-color display options.
Installation is simplified with a step-by-step guide and essential hardware included.
The GlowShift Diesel Gauge Package includes a 60 PSI boost gauge with compression fittings and a 9-foot nylon boost hose for reliable measurement. A 2400°F pyrometer EGT gauge features a probe and sensor harness to keep exhaust temperature in check.
Alongside these, a 30 PSI fuel pressure gauge with pressure sensor and banjo bolt adapter offers accurate fuel management data.
The triple pillar pod replaces your factory A-pillar entirely, crafted from UV-protected ABS plastic ensuring durability and a perfect match to your truck’s interior. Its speaker cutout maintains your cabin’s original functionality while housing the three gauges compactly.
A 7-color shiftable tinted lens enhances readability day and night, allowing for personalized instrument illumination.
The included installation guide is specifically tailored for the Dodge Ram 24-valve 9L Cummins.
With all mounting hardware and wiring harnesses provided, the package balances ease of use with professional-grade quality. This system suits owners wanting detailed engine diagnostics without sacrificing style or factory integration.
Pros
- Factory color-matched triple pillar pod offers seamless integration.
- Comprehensive gauge set for boost, EGT, and fuel pressure in one package.
- Easy-to-follow installation guide with mounting hardware included.
Cons
- Initial boost gauge may require replacement, but customer service is responsive.
Offering excellent build quality and thoughtful design, the GlowShift Diesel Gauge Package stands out as a valuable upgrade for Dodge Ram Cummins drivers seeking reliable engine monitoring. Its blend of precision, aesthetics, and user-friendly installation caters well to both DIY owners and seasoned mechanics. Below is a summary of the key specifications to help with your decision.
Specification Details Manufacturer GlowShift Gauges Compatibility 1998-2002 Dodge Ram Cummins 2500 & 3500 Included Gauges Boost (60 PSI), EGT (2400°F), Fuel Pressure (30 PSI) Materials UV Protected ABS Plastic Pod Features Factory Color Matched Gray, A-Pillar Speaker Cutout Gauge Lighting Tinted 7-Color Series with 2 Color Cycle Modes Installation Step-by-step Guide, Wiring Harnesses, Mounting Hardware Weight 4 pounds Model Number GS-343G_T7DS20
12. Cummins Onan 155-2845 (X) Tailpipe Kit

Upgrade your Cummins engine’s exhaust system with the Cummins Onan 155-2845 (X) Tailpipe Kit designed specifically for durability and efficiency. Crafted to provide a seamless fit, this tailpipe kit enhances exhaust flow, helping maintain engine performance while reducing noise levels.
It stands out as a reliable replacement with trusted Cummins quality.
This tailpipe kit offers straightforward installation and robust construction that withstands rigorous road conditions. Its precise design ensures compatibility with select Cummins generators and engines, giving confidence during maintenance or upgrade projects. A practical solution, it blends reliability with ease-of-use for regular repairs or enhancements.
The Cummins Onan 155-2845 (X) is engineered with premium materials to resist corrosion and wear, extending the lifespan of your exhaust system. Its dimensions provide a perfect match, minimizing exhaust leaks and maintaining appropriate backpressure for optimal engine health.
Installation is straightforward and requires no special tools, making it accessible for both professionals and DIYers. The kit’s lightweight build contributes to easier handling during setup without compromising on strength. Offering balanced compatibility, this product fits well within various Cummins setups, giving versatile use across different models.
Compared to other exhaust options, this kit combines quality and value, providing a durable option that supports engine efficiency. Its design reduces noise while helping to meet emission standards, an important feature for daily operation.
Pros
- Durable corrosion-resistant construction
- Easy installation with precise fitment
- Enhances exhaust flow and reduces noise
Cons
- Limited user feedback for extensive performance data
This tailpipe kit offers a practical upgrade for those maintaining Cummins engines, emphasizing durability and fit. It provides an effective balance between quality and ease, delivering a reliable exhaust solution. Check the specifications below to ensure compatibility with your setup.
Check the specifications below to ensure compatibility with your setup.
| Specification | Details |
|---|---|
| Manufacturer | Cummins/Onan |
| Brand | Cummins |
| Model | 155-2845 (X) |
| Item Weight | 1.22 pounds |
| Dimensions | 28.75 x 4.5 x 2.25 inches |
| Country of Origin | United States |
13. Cummins Onan 155-2325 Exhaust Product

Enhance your engine’s efficiency with the Cummins Onan 155-2325 Exhaust Product. Designed with precision and durability, it offers reliable performance tailored for specific generator models.
Built by Cummins, a trusted name in engine components, this part fits seamlessly into existing setups. Its robust construction supports continuous operation in demanding environments, proving essential for maintaining engine health and longevity.
The Cummins Onan 155-2325 Exhaust Product serves as an effective solution for exhaust management in compatible generators. The machined exterior offers protection against environmental damage and heat effects, which enhances the part’s life span.
Its dimensions measure 29 x 9 x 1 inches, allowing an easy fit for existing intake systems.
At only one pound, installation remains straightforward without requiring extensive modifications or heavy handling. Users report a perfect fit, confirming the precision engineering behind this kit.
Durability and straightforward installation make it suitable for professionals and DIY mechanics alike. The kit’s compact design does not add unnecessary bulk, making it ideal for tight engine compartments. Its fit and finish help protect the generator from exhaust leaks and inefficiencies.
Its fit and finish help protect the generator from exhaust leaks and inefficiencies.
Pros
- Durable machined exterior resists heat and corrosion
- Lightweight and easy to install with precise fit
- Enhances exhaust flow for smoother engine operation
Cons
- Limited to specific Cummins Onan generator models
This exhaust tube kit from Cummins delivers dependable performance and durability. It stands as a solid choice for those upgrading or replacing generator exhaust parts. The precision fit helps maintain engine efficiency and protects components over time.
| Specification | Details |
|---|---|
| Manufacturer | CMG |
| Brand | Cummins |
| Model | 155-2325 |
| Item Weight | 1 pound |
| Dimensions | 29 x 2.9 x 2.1 inches |
| Exterior | Machined |
| Part Number | 155-2325 |
14. Cummins 1552424 Onan Exhaust Tube Kit

The Cummins 1552424 Onan Exhaust Tube Kit offers a reliable upgrade designed specifically for the Onan 5500 RV generator set. Its robust construction promises durability and consistent performance, helping maintain optimal exhaust flow in demanding environments.
Compact and lightweight, this exhaust tube kit fits seamlessly into existing setups and is built to meet the stringent standards required for automotive exhaust components.
Crafted from quality materials, the exhaust tube delivers strong resistance to heat and corrosion. Installation is straightforward, allowing users to replace worn tubes without hassle or extensive modification. The precise fit reduces exhaust leaks and enhances overall generator efficiency.
The precise fit reduces exhaust leaks and enhances overall generator efficiency.
Weighing just over a pound, it won’t add unnecessary bulk or strain to the generator system. This product suits RV owners seeking dependable exhaust solutions compatible with their Onan 5500 units.
Compared to generic alternatives, this kit focuses on exact compatibility and reliable operation over time.
Designed with the automotive environment in mind, it withstands vibrations and temperature fluctuations, which ensures extended service life. The tube’s dimensions support optimal airflow, contributing to quieter function and better emissions management. Its straightforward design minimizes maintenance needs while maximizing durability.
Pros
- Precise fit for Onan 5500 RV generator sets
- Durable construction resistant to heat and corrosion
- Easy installation with minimal tools required
Cons
- Limited to compatibility with specific Onan generator models
Overall, the Cummins 1552424 Onan Exhaust Tube Kit stands out by offering durability and compatibility tailored for the Onan 5500 generator. Its straightforward installation and reliable performance make it a practical choice for RV owners focused on efficient exhaust management.
| Specification | Details |
|---|---|
| Model Number | 1552424 |
| Item Weight | 13.1 ounces |
| Product Dimensions | 8 x 4 x 4 inches |
| Manufacturer Part Number | 155-2424 |
| UPC | 690781002999 |
15. Cummins Gasket,Exhaust

Designed specifically for durable performance, the Cummins Gasket, Exhaust caters to the demanding needs of diesel engine systems. It ensures a reliable seal that supports the exhaust system’s optimal function and longevity.
Manufactured in the United States, this gasket combines precision engineering with quality materials to prevent exhaust leaks. It is an essential component for maintaining engine efficiency in 2nd Gen Cummins trucks.
The Cummins Gasket, Exhaust offers a tailored fit that simplifies installation. It provides a tight, secure seal that resists high temperatures and harsh conditions in the engine compartment.
Its machined exterior ensures consistency and reliable performance through extended use.
This product weighs only 76 ounces, highlighting its compact and lightweight design without sacrificing durability.
Suitable for replacement or upgrade, it matches Cummins’ strict standards for quality and reliability.
Ideal for owners focused on optimizing their 2nd Gen Cummins diesel engines, the gasket plays a crucial role in preventing exhaust leaks that compromise performance. Its robust design delivers long-term value, standing up well against other aftermarket options.
Pros
- High-quality gasket for a precise and secure exhaust seal
- Durable construction designed for high-temperature resistance
- Manufactured in the United States ensuring consistent quality
Cons
- Limited to specific Cummins model compatibility, requiring verification
Offering reliable sealing and solid durability, the Cummins Gasket, Exhaust is a dependable choice for 2nd Gen Cummins owners. Its quality construction ensures long-lasting protection against exhaust leaks, contributing to improved engine efficiency and reduced maintenance needs.
| Specification | Details |
|---|---|
| Manufacturer | Cummins |
| Brand | Cummins |
| Model | GASKET, EXHAUST |
| Item Weight | 76 ounces |
| Package Dimensions |
54 x 5 x
Top Exhaust Picks for 2nd Gen Cummins: Buying Guide
Engine compatibility and model year
Confirming fit for 2nd Gen Cummins engines involves verifying compatibility with the specific engine model to avoid any installation issues. These engines have distinctive exhaust port layouts and sizing that influence how an exhaust system performs. Checking model year variations is wise since different years can have subtle changes in engine design or mounting points, impacting which exhaust setups will work properly.
Checking model year variations is wise since different years can have subtle changes in engine design or mounting points, impacting which exhaust setups will work properly. Understanding engine specific exhaust requirements means recognizing factors such as the need for sufficient flow to enhance power without compromising backpressure and selecting materials that withstand the rigors of heavy-duty use. Properly matching an exhaust system to the 2nd Gen Cummins ensures better durability, improved performance, and a tailored fit that supports the engine’s unique characteristics across various model years.
Installation and maintenance
Choosing an exhaust system for a 2nd gen Cummins often involves considering how easily it can be installed and whether any modifications are necessary. Many options are designed to fit directly, reducing the need for complex adjustments or additional parts, which can save time and hassle during installation.
Regarding maintenance, the durability of materials and build quality play a substantial role in how often upkeep is needed. Stainless steel models tend to resist corrosion better and last longer, requiring less frequent attention, while simpler designs with fewer joints can minimize potential leak points and related maintenance.
Considering these factors can help in selecting an exhaust system that balances performance with convenience throughout its lifespan.
Material and build quality
When selecting an exhaust system for your second-generation Cummins, paying close attention to the material and build quality can make a noticeable difference in longevity and performance. Stainless steel is often preferred over aluminized steel because it offers superior resistance to rust and corrosion, which is especially beneficial in harsh weather or off-road conditions. While aluminized steel provides a budget-friendly option that withstands moderate wear and tear, it may show signs of oxidation sooner than stainless steel.
While aluminized steel provides a budget-friendly option that withstands moderate wear and tear, it may show signs of oxidation sooner than stainless steel. The quality of welds and overall construction also plays an important role in how well the exhaust will hold up over time; smooth, clean welds and strong joint connections help prevent leaks and structural failures. Investing in an exhaust with durable materials and meticulous craftsmanship means fewer replacements or repairs down the road, making it a practical choice for anyone aiming to enhance the performance and reliability of their Cummins engine.
Exhaust system types
When choosing between catback, turboback, and axleback exhaust systems, understanding their differences helps match performance goals and vehicle setup. A catback system replaces the exhaust piping from the catalytic converter back, offering improved airflow and a deeper sound without extensive modification.
Its advantage lies in relatively simple installation and often maintaining emissions compliance since it retains the factory catalytic converter. Turboback systems replace everything from the turbocharger to the exhaust tip, providing the greatest potential power gains by minimizing flow restrictions but usually require more modification and can impact emissions. Axleback systems only replace the exhaust components behind the rear axle, making them the easiest to install and often the most affordable option, but they typically offer the least performance improvement.
Each type varies in noise level increases, costs, and tuning requirements for optimal results. Emissions compliance should also be considered, as some regions require catalytic converters or restrict modifications that alter the emissions systems, especially with turboback setups that remove factory emission controls. Aligning the choice with local regulations, desired sound, power gains, and installation complexity ensures a satisfying upgrade tailored to specific driving needs.
Aligning the choice with local regulations, desired sound, power gains, and installation complexity ensures a satisfying upgrade tailored to specific driving needs.
Performance and sound characteristics
Choosing the right exhaust can have a noticeable impact on horsepower and torque, often providing a smoother flow for exhaust gases that results in better engine efficiency and increased power output. Sound level and tone preferences vary depending on personal taste and local noise regulations, with some opting for a louder, more aggressive rumble while others prefer a subtler, refined sound. Striking a balance between these performance gains and noise regulations is key, as a high-performance exhaust system that is excessively loud may lead to legal issues or driver discomfort.
Striking a balance between these performance gains and noise regulations is key, as a high-performance exhaust system that is excessively loud may lead to legal issues or driver discomfort. Considering factors such as material quality, design style, and compatibility with your specific Cummins model can help in selecting an exhaust that enhances driving experience without compromising practicality or compliance.
Budget and warranty
Choosing the best exhaust for 2nd gen Cummins involves understanding the key features that impact performance and sound quality, such as material construction, pipe diameter, and design style. Stainless steel options tend to offer better durability and resistance to corrosion compared to mild steel, while a larger pipe diameter may enhance exhaust flow, contributing to improved engine efficiency and power output.
These exhaust systems are commonly used to improve towing capability, increase horsepower, and create a more aggressive exhaust note, making them suitable for daily driving as well as heavy-duty applications. When considering the cost, prices can vary widely depending on brand reputation, materials used, and whether the system is a full cat-back or a simpler axle-back setup. It’s beneficial to weigh the price against the expected lifespan and performance gains to find the best value for money.
Some exhaust kits may require additional components such as new hangers or adapters, so factoring in these potential extra expenses will help avoid surprises. Warranty offerings can differ among manufacturers; opting for a product backed by solid warranty coverage and responsive customer support offers added peace of mind, especially since installation or performance issues might arise. Taking into account both the initial price and the long-term support can lead to a more satisfying purchase experience when upgrading your 2nd gen Cummins exhaust system.
Taking into account both the initial price and the long-term support can lead to a more satisfying purchase experience when upgrading your 2nd gen Cummins exhaust system.
Frquently Asked Questions
What Are The Top-Rated Exhaust Systems For A 2Nd Generation Cummins Engine?
Top-rated exhaust systems for a 2nd generation Cummins engine often include options like the BD Diesel Exhaust System, Banks Power Monster Exhaust, and MBRP Stainless Steel Exhaust. These systems are praised for enhancing performance, improving sound quality, and increasing durability with high-quality materials. BD Diesel offers a custom-fit exhaust with excellent flow and a deep tone, while Banks Power provides a more aggressive sound and better horsepower gains. MBRP systems are known for their corrosion resistance and ease of installation, making them popular choices among Cummins enthusiasts.
Which Exhaust Brand Offers The Best Sound And Durability For A 2Nd Generation Cummins?
For a 2nd generation Cummins, brands like Banks Power and MagnaFlow are highly regarded for offering the best balance of sound and durability. Banks Power exhaust systems deliver a deep, aggressive tone that enhances the Cummins’ natural engine sound while providing long-lasting stainless steel construction to resist rust and wear. MagnaFlow is another top choice, known for its premium materials and smooth, refined exhaust note. Both brands provide performance improvements and are built to withstand heavy use, making them ideal for enthusiasts seeking reliability and an impressive exhaust sound on their 2nd generation Cummins.
What Are The Benefits Of Upgrading The Exhaust On A 2Nd Gen Cummins Truck?
Upgrading the exhaust on a 2nd gen Cummins truck offers several key benefits. Improved exhaust flow reduces backpressure, which enhances engine efficiency and boosts horsepower and torque. This results in better overall performance and responsiveness, especially noticeable during towing or heavy hauling. Additionally, an upgraded exhaust often provides a deeper, more aggressive sound, enhancing the truck’s auditory appeal. Many aftermarket exhaust systems are also designed with better materials, promoting durability and potentially improving fuel economy by optimizing engine breathing.
How Does An Aftermarket Exhaust Improve The Performance Of A 2Nd Gen Cummins?
An aftermarket exhaust improves the performance of a 2nd gen Cummins by enhancing exhaust flow, which reduces backpressure and allows the engine to breathe more efficiently. This increased airflow helps the turbocharger spool faster, resulting in better throttle response and improved horsepower and torque. Additionally, aftermarket exhaust systems often use larger diameter pipes and high-quality materials, which improve durability and reduce weight compared to stock exhausts. Combined, these factors contribute to better engine efficiency, increased power output, and a more aggressive exhaust sound.
How Do Different Exhaust Setups Affect Fuel Efficiency In A 2Nd Gen Cummins?
Different exhaust setups can significantly impact the fuel efficiency of a 2nd gen Cummins engine. A free-flowing exhaust system reduces backpressure, allowing the engine to expel exhaust gases more efficiently. This improved flow can enhance combustion and potentially increase fuel economy. Conversely, restrictive exhaust components, such as clogged mufflers or tight pipe bends, increase backpressure, forcing the engine to work harder and consume more fuel. Additionally, aftermarket exhaust setups with larger diameter pipes and high-quality mufflers often improve airflow and can lead to better throttle response and slight fuel savings. However, extreme modifications might also negatively affect low-end torque, causing less efficient fuel use during everyday driving conditions. Thus, selecting a balanced exhaust setup tailored for optimal flow and engine characteristics is key to maximizing fuel efficiency in a 2nd gen Cummins.
Conclusion
Choosing the best exhaust for 2nd gen Cummins depends on your priorities such as sound quality, performance gains, durability, and budget. Many options offer improved horsepower and torque along with a deeper exhaust tone, but some may come with higher costs or require modifications for a proper fit.
Consider whether you want a system focused on maximizing power or one that balances noise reduction and emissions compliance. The best exhaust for 2nd gen Cummins fits your specific needs, whether that’s daily driving or occasional towing. By weighing pros and cons carefully, you can find a solution that enhances your truck’s capabilities without compromising reliability.
This balanced approach helps ensure you make a confident choice tailored to your 2nd gen Cummins.
