Best Muffler for Deleted 6.7 Cummins: Top Stainless Steel Picks
Choosing the best muffler for a deleted 6.7 Cummins boosts your truck’s sound and performance. A good muffler controls noise while allowing better exhaust flow.
Deleted 6. 7 Cummins engines need mufflers that balance power and sound. Straight-through stainless steel mufflers are popular for durability and improved exhaust flow. Resonator mufflers reduce harsh noise without limiting performance. Options like the Upower 4” inlet and JY Performance 4” stainless steel mufflers suit many truck setups.
Some mufflers fit specific models, such as the Walker Quiet-Flow 21649 for Ram 3500. Universal mufflers also work well for different Cummins models. Choosing the right muffler helps your truck sound strong but stay within noise limits. This guide covers top mufflers that fit deleted 6. 7 Cummins engines.
Upower 4” Inlet Diesel Exhaust Muffler
The Upower 4” Inlet Diesel Exhaust Muffler is ideal for vehicle owners and mechanics looking to enhance their diesel engine’s exhaust system. This product is perfect for those who demand durability, improved exhaust flow, and noise reduction in their diesel vehicles. Whether you are upgrading your truck or replacing a worn-out muffler, this stainless steel welded on resonator muffler offers a reliable solution for better engine performance and sound control.
Pros:
- Constructed from high-quality stainless steel for long-lasting durability and resistance to rust.
- Straight through design ensures efficient exhaust flow, reducing back pressure and improving engine efficiency.
- Includes a welded on resonator to minimize noise and provide a smoother exhaust tone.
- Robust build with a 7” x 24” body and 30” whole length fitting a wide range of diesel engines.
- Relatively lightweight at approximately 16 pounds, making installation easier without compromising strength.
Cons:
- May require professional installation due to its size and welding components.
- Limited to diesel engines with a 4” inlet, so not compatible with all exhaust systems.
The Upower 4” Inlet Diesel Exhaust Muffler features a robust stainless steel construction that guarantees longevity even under harsh driving conditions. Its straight-through design helps maintain optimal exhaust flow, which contributes to improved engine performance and fuel efficiency. Additionally, the welded-on resonator plays a critical role in reducing exhaust noise, providing a more comfortable driving experience without compromising power.
Designed by partsquare, this muffler is engineered to fit a variety of diesel engines with its carefully measured dimensions, including a 7” x 24” body and a 30” overall length. Its weight of just under 16 pounds means it balances durability and ease of handling. Overall, this muffler is a solid choice for anyone looking to upgrade their diesel exhaust system with a product that enhances both functionality and sound quality.
Jy Performance 4” Inch Inlet Diesel Muffler Exhaust
The JY PERFORMANCE 4” Inch Inlet Diesel Muffler Exhaust is ideal for diesel truck owners and automotive enthusiasts seeking to enhance their vehicle’s exhaust system. If you want to improve your diesel engine’s performance, reduce backpressure, and enjoy a deeper exhaust sound, this high-quality muffler is designed for you. It is especially suitable for those who value durability and superior craftsmanship in aftermarket exhaust components.
Pros:
- Durable stainless steel construction ensures long-lasting performance and resistance to corrosion.
- Straight through design promotes optimal exhaust flow, improving engine efficiency and power.
- Polished finish with TIG welding provides a sleek appearance and superior build quality.
- Welded on resonator reduces unwanted noise while maintaining a deep, aggressive exhaust tone.
- Compact dimensions (7” x 24” body, 30” overall length) allow for easy installation in various diesel truck models.
Cons:
- May require professional installation for best results due to welding requirements.
- Designed specifically for diesel engines; not compatible with gasoline-powered vehicles.
The JY PERFORMANCE 4” Inch Inlet Diesel Muffler Exhaust features a robust stainless steel build that guarantees resistance to rust and wear, ensuring your exhaust system remains reliable under tough driving conditions. Its straight through design minimizes exhaust restriction, which helps improve engine performance by boosting horsepower and torque. The welded on resonator is expertly crafted to reduce harsh drone while preserving a deep and powerful exhaust note, enhancing the overall driving experience.
With precise TIG welding and a polished finish, this muffler not only performs exceptionally but also adds a professional and stylish look under your vehicle. The compact size and thoughtful dimensions make it compatible with a wide range of diesel trucks, simplifying upgrades and replacements. Overall, this muffler is an excellent choice for anyone looking to combine durability, performance, and aesthetics in their diesel exhaust system.
Tectruc 4” Inlet Diesel Exhaust Muffler
The TECTRUC 4” Inlet Diesel Exhaust Muffler is ideal for vehicle owners and mechanics looking to enhance their diesel engine’s exhaust system. This product is perfect for those who need a durable, high-performance muffler that can withstand heavy-duty use while improving exhaust flow and reducing noise. If you are seeking a reliable and efficient solution for your diesel exhaust setup, this muffler is designed specifically for you.
Pros:
- Constructed with stainless steel for enhanced durability and corrosion resistance
- 4 inch inlet/outlet sizing ensures compatibility with many diesel exhaust systems
- Straight through design promotes better exhaust flow and performance
- Welded on resonator helps reduce exhaust noise effectively
- Long 30 inch whole length fits a variety of installation needs
Cons:
- Relatively heavy weight at 14.35 pounds, which may require sturdy mounting
- Primarily designed for diesel engines; not suitable for gasoline vehicles
The TECTRUC 4” Inlet Diesel Exhaust Muffler features a robust construction using high-quality stainless steel, ensuring longevity even under harsh operating conditions. Its straight-through design minimizes backpressure, which can enhance engine efficiency and potentially improve fuel economy. The inclusion of a welded resonator helps in significantly reducing exhaust noise, making it suitable for those who value quieter engine operation without compromising performance.
With its 4 inch inlet and outlet dimensions, this muffler fits a wide range of diesel exhaust systems, providing versatility for different vehicle models. The 30 inch length offers ample space for integration into existing exhaust setups. Overall, this muffler balances durability, performance, and noise reduction, making it a valuable upgrade for diesel engine users looking to optimize their exhaust system.
Ap Exhaust Xs2772 Muffler
The AP Exhaust XS2772 Muffler is an ideal choice for car enthusiasts and everyday drivers looking to enhance their vehicle’s performance and sound. It’s perfect for those who appreciate a quieter ride without compromising on efficiency. Whether you’re someone who frequently drives long distances or simply someone who wants a reliable exhaust system, this product could be a perfect addition to your vehicle.
Pros:
- Durable construction ensures long-lasting performance.
- Universal fit for easy installation on a variety of vehicles.
- Improved exhaust flow for enhanced engine efficiency.
Cons:
- Heavier than some other mufflers, which might affect fuel efficiency slightly.
- Multi-color might not match all vehicle aesthetics.
The AP Exhaust XS2772 Muffler offers a robust build, thanks to its durable materials, promising longevity and sustained performance over time. It is designed to fit a wide range of vehicles, making it a versatile choice for many car owners. This universal fit not only simplifies the installation process but also makes it a practical choice for those who might switch vehicles in the future.
Additionally, this muffler is engineered to enhance exhaust flow, which can lead to improved engine efficiency. By optimizing the exhaust system, drivers may experience a smoother and quieter ride, enhancing overall driving comfort. However, its slightly heavier build might be a consideration for those particularly focused on maximizing fuel efficiency, as it could have a minor impact. Despite this, its benefits in durability and performance make it a worthy investment for many.
Upower 2.5” Inlet Universal Resonator Diesel Exhaust Muffler
The Upower 2.5” Inlet Universal Resonator is ideal for diesel vehicle owners and automotive enthusiasts looking to enhance their exhaust system’s performance and sound quality. If you want a durable, efficient, and easy-to-install muffler that reduces noise and improves exhaust flow, this diesel exhaust muffler is a perfect choice. It suits those who value both functionality and longevity in their vehicle upgrades.
Pros:
- Constructed with stainless steel for superior durability and corrosion resistance
- Straight through design promotes better exhaust flow and reduces backpressure
- Universal fit with a 2.5” inlet, making it compatible with various diesel vehicles
- Welded on resonator helps reduce exhaust noise effectively
- Compact dimensions (6” x 14” body, 20” whole length) fit easily into most exhaust setups
Cons:
- May require professional installation for optimal fit and performance
- Heavier weight (~7.94 pounds) compared to some other mufflers
- Designed specifically for diesel engines, limiting use in gasoline-powered vehicles
The Upower Universal Resonator features a robust stainless steel construction that guarantees long-lasting resistance to rust and wear, even in harsh driving conditions. Its straight through design minimizes exhaust restriction, allowing your diesel engine to breathe more freely, which can enhance overall engine efficiency and power output. This design also contributes to a smoother and deeper exhaust sound, which many diesel enthusiasts appreciate.
Additionally, the welded on resonator plays a crucial role in noise reduction by dampening harsh exhaust tones without sacrificing performance. With its universal 2.5” inlet size and compact dimensions, this muffler integrates well with most exhaust systems, offering a versatile upgrade option. Whether you’re aiming to improve your vehicle’s sound profile or seeking a durable, functional muffler for everyday use, the Upower resonator delivers consistent performance and reliability.
Mbrp Universal Quiet Tone Muffler
The MBRP M1004S Universal Quiet Tone Muffler is ideal for vehicle owners seeking a balance between performance and noise reduction. If you want to enhance your exhaust system with a muffler that minimizes sound without sacrificing efficiency, this product is perfect for you. It suits those who desire a quieter ride while maintaining reliable exhaust flow and durability.
Pros:
- Provides a quiet tone for a peaceful driving experience
- Universal fit makes it compatible with various vehicle models
- Lightweight design at 5.0 pounds for easy installation
- Durable construction from a trusted MBRP brand
- Improves exhaust flow without compromising noise reduction
Cons:
- Dimensions are not specified, which may require additional measurements before purchase
- May not provide a loud or aggressive exhaust sound desired by some enthusiasts
The MBRP M1004S Universal Quiet Tone Muffler is designed with high-quality materials by MBRP, a reputable manufacturer known for exhaust components. Its universal fit ensures compatibility with a wide range of vehicles, making it a versatile choice for many drivers. The muffler effectively reduces noise levels, delivering a quieter and more comfortable driving environment without compromising exhaust flow.
Weighing only 5.0 pounds, this muffler is easy to handle and install, whether you are a professional mechanic or a DIY enthusiast. Its quiet tone feature is particularly beneficial for those who prefer a subtle exhaust note over louder, more aggressive sounds. Overall, this muffler offers a reliable solution for enhancing your vehicle’s exhaust system with a focus on noise reduction and durability.
Walker Quiet-flow 21649 Direct Fit Exhaust Muffler
The Walker Quiet-Flow 21649 Direct Fit Exhaust Muffler with a 4” inlet and outlet is ideal for truck owners, specifically those driving a Ram 3500 who seek a reliable and efficient muffler replacement. This product is perfect for individuals looking to enhance their vehicle’s exhaust system performance while minimizing noise levels, making it an excellent choice for both daily drivers and commercial vehicle operators.
Pros:
- Direct fit design ensures easy installation without modifications.
- Manufactured by Tenneco, a trusted name in automotive parts.
- Durable construction provides long-lasting performance.
- Designed to reduce exhaust noise effectively for a quieter ride.
- Lightweight at just 1.0 pounds, which doesn’t add unnecessary weight to the vehicle.
Cons:
- Specific fitment limited to Ram 3500, not suitable for other models.
- May require professional installation for those unfamiliar with exhaust systems.
The Walker Quiet-Flow 21649 muffler features a precise direct fit design that matches the dimensions required for the Ram 3500, including a 4-inch inlet and outlet diameter. This ensures a seamless replacement process without the need for additional modifications or adapters. Its construction by Tenneco, a reputable manufacturer known for high-quality exhaust components, guarantees reliability and performance.
Beyond its fitment, the muffler is engineered to provide superior noise reduction, enhancing driving comfort by minimizing exhaust sound. The robust build quality contributes to its longevity, resisting corrosion and wear even under demanding conditions. For users, this means a quieter, more pleasant driving experience combined with the confidence of a durable, well-made product tailored specifically for their vehicle.
Lelehoka Turbo Back Diesel Exhaust 4” Dodge
The LELEHOKA Turbo Back Diesel Exhaust 4” for Dodge Ram 2500 3500 models from 2013 to 2018 with the Cummins 6.7L V8 I6 Turbo engine is ideal for truck owners looking to enhance their vehicle’s performance and exhaust flow. This product is perfect for those who want a durable, efficient exhaust system upgrade that can withstand heavy-duty usage and improve engine efficiency and sound.
Pros:
- Constructed by LELEHOKA, ensuring quality and reliability
- Features a 4-inch diameter pipe for optimal exhaust flow
- Durable silver finish resists corrosion and wear
- Perfectly fits 2013-2018 Dodge Ram 2500 and 3500 Cummins 6.7L V8 I6 Turbo engines
- Enhances turbo back exhaust performance for improved power and sound
Cons:
- May require professional installation for best fit and function
- Limited to specific Dodge Ram models and engine types
The LELEHOKA Turbo Back Diesel Exhaust system is designed with precision to fit the Dodge Ram 2500 and 3500 equipped with the Cummins 6.7L V8 I6 Turbo engine. Its 4-inch pipe diameter allows for superior exhaust gas flow, which can reduce backpressure and increase engine efficiency. The exhaust system’s robust construction and silver finish make it resistant to harsh environmental conditions, ensuring long-lasting durability for heavy-duty use.
Installing this exhaust system not only improves the performance of your truck but also enhances the deep, aggressive sound that diesel enthusiasts appreciate. By optimizing the turbo back exhaust path, it contributes to better turbo response and overall power output. For truck owners who demand reliability and performance, the LELEHOKA exhaust system is a smart upgrade that balances functionality with durability.
Cummins Onan Muffler
The CUMMINS NW Cummins 1551258 Onan Muffler is an ideal choice for vehicle owners and operators who require a reliable and efficient muffler to reduce engine noise and improve exhaust performance. This product is perfect for those using Cummins or Onan engines, especially in RVs, generators, or industrial machinery, who seek a durable and well-engineered muffler to maintain optimal engine function.
Pros:
- Durable construction ensuring long-lasting performance
- Compact dimensions (Height: 7.25 inches, Width: 8.88 inches, Length: 22.63 inches) for easy installation
- Lightweight design weighing only 1.0 pounds, reducing added load
- Specifically designed by Cummins for perfect compatibility with Onan engines
Cons:
- May not fit non-Cummins or non-Onan engine models
- Limited to specific engine applications, restricting versatility
The CUMMINS NW Cummins 1551258 Onan Muffler is engineered with precision to ensure optimal exhaust flow and noise reduction. Its compact and lightweight design makes installation straightforward without compromising on durability. The muffler’s construction from high-quality materials contributes to its resistance against corrosion and wear, extending the life of your engine’s exhaust system.
Users will benefit from quieter engine operation, which enhances comfort during use, especially in enclosed spaces like RVs or work environments. Additionally, the muffler’s compatibility with Cummins and Onan engines ensures seamless integration, maintaining engine efficiency and performance. Overall, this muffler represents a practical and reliable upgrade for those seeking to improve their engine’s sound management and exhaust efficiency.
Jzgrdn Muffler
The JZGRDN 1-3/8” Muffler 155-1258 is ideal for owners of Cummins RVs, trailers, campers, and generators who need a reliable and compatible replacement part. If you are looking to maintain or improve the performance of your Onan RV Generator or similar equipment, this muffler is designed to meet your needs with ease and efficiency.
Pros:
- High compatibility with Cummins RV and Onan RV Generators
- Durable construction ensuring long-lasting performance
- Lightweight design at approximately 5 pounds for easy installation
- Manufactured by trusted brand JZGRDN, known for quality parts
Cons:
- Specific to certain models, limiting universal application
- May require professional installation for optimal fit
The JZGRDN 1-3/8” Muffler 155-1258 is engineered to provide efficient exhaust noise reduction while maintaining optimal engine performance. Its precise dimensions and compatibility with popular RV and generator models mean that users can trust the fit without extensive modifications. The lightweight yet sturdy design also contributes to easier handling and installation, reducing downtime for maintenance.
Additionally, this muffler’s durable build helps resist corrosion and wear from regular use, ensuring a longer lifespan for your generator or RV’s exhaust system. By choosing a JZGRDN branded component, customers benefit from a product backed by a reputable manufacturer, offering peace of mind alongside enhanced functionality. Overall, it is a practical solution for those seeking to maintain or upgrade their power equipment with minimal hassle.
Frequently Asked Questions
What Makes Upower 4” Diesel Exhaust Muffler Ideal?
Upower 4” Diesel Exhaust Muffler features a straight-through stainless steel design. It offers excellent durability and efficient exhaust flow. The welded-on resonator reduces noise while maintaining performance. Its 30” length fits most deleted 6. 7 Cummins setups perfectly, making it a popular choice for enthusiasts.
How Does Jy Performance 4” Diesel Muffler Improve Sound?
JY PERFORMANCE muffler uses TIG welding for strong construction and polished finish. It provides a deep, aggressive exhaust tone. The straight-through design enhances exhaust flow and reduces backpressure. This muffler is great for those seeking louder, performance-oriented sound without sacrificing durability.
Is Tectruc 4” Diesel Exhaust Muffler Compatible With 6.7 Cummins?
Yes, TECTRUC’s 4” stainless steel muffler suits deleted 6. 7 Cummins engines. Its resonator muffler design ensures quieter operation with efficient exhaust flow. At 30” length, it fits most setups well. It balances sound control and performance, ideal for diesel truck owners.
What Benefits Does Mbrp M1004s Quiet Tone Muffler Offer?
MBRP M1004S offers a quieter exhaust tone without harming performance. It’s a universal muffler designed for diesel trucks, including 6. 7 Cummins. The muffler reduces drone and harsh noise, improving driving comfort. Its durable build ensures long-lasting use in tough conditions.
How Does Walker Quiet-flow 21649 Fit Ram 3500 Trucks?
Walker Quiet-Flow 21649 is a direct-fit muffler for Ram 3500 with 4” inlet/outlet. It ensures easy installation without modifications. This muffler reduces noise significantly while maintaining exhaust flow. Its quiet design suits daily driving and heavy-duty use for Cummins diesel engines.
Can Lelehoka Turbo Back Exhaust Improve Cummins 6.7l Power?
Yes, LELEHOKA Turbo Back Exhaust enhances exhaust flow and turbo efficiency. It fits 2013-2018 Ram 2500/3500 Cummins 6. 7L V8 I6 engines perfectly. The 4” pipe design reduces backpressure, increasing horsepower and torque. It also delivers a deep, aggressive exhaust sound.
Conclusion
Choosing the best muffler for a deleted 6. 7 Cummins depends on your needs and preferences. Each muffler on this list offers strong durability and good sound control. Stainless steel construction helps resist rust and heat damage. Straight-through designs improve exhaust flow and boost performance.
Some models include welded resonators to reduce drone and noise. Size and fit are important for easy installation and proper function. Whether you want a quieter ride or a louder, more aggressive tone, there is a good option here. Always check compatibility with your truck before buying.
Taking time to pick the right muffler will improve your driving experience. The right muffler can balance sound, performance, and longevity for your Cummins diesel. This helps keep your truck running smoothly and sounding great for many miles.
By Herbert Langham
ASE-Certified Master Technician & Garage Consultant based in Columbus, Ohio. Herbert helps drivers choose reliable automotive tools, accessories, and garage equipment through practical, experience-based advice.