Have you ever heard that deep, rumbling growl of a 6.7 Cummins engine that just makes you feel the power? It’s a sound that many truck owners love, but sometimes, the stock muffler just doesn’t cut it. When you’ve decided to remove the factory muffler on your 6.7 Cummins, the world of aftermarket options opens up, and honestly, it can be a little overwhelming. You want that perfect sound and performance, but sifting through all the choices can feel like a chore, leaving you wondering if you’re making the right pick.
Choosing the right muffler for your deleted 6.7 Cummins isn’t just about making noise; it’s about finding a balance. You’re looking for something that enhances the engine’s natural sound without being obnoxious, something that might even give you a small boost in efficiency, and importantly, something that won’t cause issues down the road. The sheer variety can be confusing – different materials, designs, and sound profiles all claim to be the best. It’s easy to feel lost in the sea of options.
But don’t worry, we’re here to help you navigate this. By the time you finish reading this post, you’ll have a much clearer understanding of what makes a great muffler for your deleted 6.7 Cummins. We’ll break down the key features to look for and shed light on the options that truly deliver. Get ready to find the perfect sound and performance for your truck.
Top Muffler For Deleted 6.7 Cummins Recommendations
- Package Dimensions: 18.288 L X 57.912 H X 22.86 W (Cm)
- Made In United States
- Product Type:Auto Accessory
- Package Weight: 2.676 Kilograms
- Material: Aluminized Steel, Single exhaust
- Tubing diameter: 4 inch, Tip diameter: N/A
- Exit: Single Side, Muffler: None
- Delivers A Rich mellow Exhaust Note, Installs With Common Hand Tools, Can Improve Fuel Economy By 1-2 MPG
- Part Number: 155-1222 1551222 155-1258 1551258
- Applicatible Models: Compatible with Cummins Onan RV Trailer Camper Generator
- Installation Dimensions: Total Length: 21-1/2''; Body Length: 19-1/2''; Width: 4-1/2''; Inlet Diameter: 1-1/2" ; Outlet Diameter: 1-3/8"
- It is a perfect replacement manufactured based on OEM dimensions and quality, directly replaced on your generator and RV campers, better function for muffling of generator.
- It is made of high-quality stainless-steel and not easy to get broken, can prevent corrosions and rust, provide long durable life on your RV generators.
- Part Name: Generator Muffler
- Part Number: 155-1258 1551258
- Compatible with Cummins RV Trailer Camper Generator
- Condition: New
- Package Includes: Generator Muffler*1
- Vehicle Fitment:: 2007-2012 Ram 2500 3500 Cummins 6.7L I6 Turbo Back Diesel
- Excellent material: Our Exhaust pipes kit are meticulously crafted from durable T-409 Stainless Steel, guaranteeing durability and resistance to corrosion, even in challenging driving conditions.
- FEATUREFEATURES & BENEFIT: Unleash the raw power & muscular hemi sound, TIG welded CNC machine flange richer diesel sound.
- Fit Model With OEM Exhaust System, clamp hangers designed to provide perfect fit to OEM locations mandrel bent tubing for maximum flow & performance gain
- Fits for: Fits for Dodge Ram 2500 3500 2007.5-2012 6.7L Fits for Cummins engines
- Material: Made of high quality aluminum alloy and steel thus it has excellent corrosion resistance
- Performance: All the bends in our aluminum tubes are CNC mandrel bent and engineered for maximum air flow
- Package included: 1 Air Intake Kit+1 Filter+4 Screws+1 O-shape washer
- Note: Please verify all the product information to ensure this is the right one you want before purchasing
- Made with the Highest Quality Components Available
- 6 Months Unlimited Warranty
- Pressure and Computer tested for consistent Quality and unsurpassed reliability
- This part fits truck models: ISX15 / X15, ISL / L9, ISB / B6.7, ISC / C8.3, QSK Series, X12, B4.5 / B6.7 / L9 / X12 / X15, C7, C9, C11, C13, C15, C16, 3406, Anthem, Granite, Pinnacle, LR Series, T Series, MV Series, HX Series, HV Series, RH Series, Durastar, ProStar, VNL, VNR, VHD, VAH, FE, FL Replacement part numbers: 157082, 2ME361P5, 9F6433, 469801C1, 690420R91, 750152C91, 976488R91, 989443R91, 02-7076541, 5839-86149M, 2ME361P3, 171365, EEM-1917, PAI1917
- Overall Length: 17Inch, Diameter (Oval): 20.00 Inch, Inlet Offset Location: Side, Dimensions: 10.00 x 15.00 Inch, Inlet Tube: 4Inch, Outlet Tube: 4 Inch, Offset: 4.50Inch - Outlet Tube Center Line To Muffler Center Line
- Aftermarket Gasket,Direct Replacement for Cummins Engines
- High Quality Material,increase durability and reduce the chance of an exhaust manifold leak
- Manufactured According to OEM Specifications & Functions
- Fits 1998.5 to 2002 Dodge Ram 2500 5.9L Cummins trucks. 1998.5 to 2002 Dodge Ram 3500 5.9L Cummins trucks. 2003 to 2007 Dodge Ram 2500 5.9L Cummins trucks. 2003 to 2007 Dodge Ram 3500 5.9L Cummins trucks.
- Fits 2007.5 to 2020 Dodge Ram 2500 6.7L Cummins Turbo Diesels 2007.5 to 2020 Dodge Ram 3500 6.7L Cummins Turbo Diesels 2007.5 to 2020 Dodge Ram 4500 6.7L Cummins Turbo Diesels 2007.5 to 2020 Dodge Ram 5500 6.7L Cummins Turbo Diesels
Choosing the Right Muffler for Your Deleted 6.7 Cummins
So, you’ve decided to delete your muffler on your 6.7 Cummins. That’s a big step! It changes how your truck sounds and performs. But what kind of muffler should you get? This guide will help you pick the best one for your needs.
Why Delete the Muffler?
People delete mufflers for a few reasons. The most common is to get a louder, more aggressive exhaust sound. Some also believe it helps their truck breathe better, potentially improving exhaust flow.
1. Key Features to Look For
When you’re shopping for a muffler for a deleted 6.7 Cummins, keep these important features in mind:
- Sound Level: This is a big one. Do you want a deep rumble or a roaring sound? Mufflers vary a lot in how loud they are. Look for descriptions that talk about the sound profile. Some might say “aggressive” or “mild.”
- Material: What is the muffler made of? This affects how long it lasts and how it sounds.
- Size and Shape: Mufflers come in different sizes. Make sure the one you choose will fit your truck’s exhaust system correctly.
- Ease of Installation: Some mufflers are designed for a direct fit, meaning they bolt right on. Others might need some custom work.
- Durability: You want a muffler that can handle the heat and pressure of a Cummins engine.
2. Important Materials
The materials used in a muffler greatly impact its performance and lifespan.
- Stainless Steel: This is a top choice. It resists rust and corrosion very well. Many high-quality mufflers use 409 stainless steel or 304 stainless steel. 304 is even more durable and looks nicer longer.
- Aluminum: Some mufflers use aluminum. It’s lighter than steel. However, it might not last as long as stainless steel in harsh conditions.
- Mild Steel: This is a cheaper option. It works, but it can rust much faster, especially if you live in an area with salt on the roads.
3. Factors That Improve or Reduce Quality
Several things can make a muffler better or worse.
- Construction Quality: Look for mufflers that are welded smoothly and have strong seams. Good craftsmanship means the muffler will last longer.
- Internal Packing: Some mufflers have special materials inside to control sound. The type and amount of packing can affect the sound and how well it muffles. Too little packing might make it too loud.
- Brand Reputation: Stick with well-known brands that have good reviews. They often use better materials and have more experience.
- Fitment: A muffler that doesn’t fit perfectly can cause leaks and reduce performance. Always check if a muffler is made specifically for your 6.7 Cummins.
4. User Experience and Use Cases
Think about how you use your truck and what you want from the muffler.
- Daily Driving: If you drive your truck every day, you might want a sound that isn’t too overwhelming. A deep, powerful sound is great, but you don’t want it to be annoying on long trips.
- Towing and Hauling: For heavy-duty tasks, you need a muffler that won’t restrict exhaust flow. A well-designed muffler can help your engine run cooler and more efficiently.
- Off-Roading: If you take your truck off-road, durability is key. You need a muffler that can handle bumps and rough terrain.
- Show Trucks: For trucks that are all about looks and sound, you might prioritize a very aggressive tone and a sleek design.
Choosing the right muffler is about balancing sound, performance, and durability. Take your time, read reviews, and pick the one that fits your 6.7 Cummins and your lifestyle perfectly.
Frequently Asked Questions (FAQ)
Q: Will deleting my muffler void my truck’s warranty?
A: It’s possible. Modifying the exhaust system can sometimes affect your manufacturer’s warranty. Always check your warranty details.
Q: How much louder will my 6.7 Cummins be after deleting the muffler?
A: It will be significantly louder. The exact amount depends on the muffler you choose and if you have other exhaust modifications.
Q: Are there any legal issues with deleting a muffler?
A: Yes. Many places have laws about exhaust noise levels. You should check your local regulations to avoid fines.
Q: Can deleting the muffler hurt my engine?
A: Generally, no. A good muffler won’t hurt your engine. Some people think it helps the engine breathe better.
Q: What is the difference between a straight-through muffler and a chambered muffler?
A: A straight-through muffler has a perforated core. It offers less restriction and a louder sound. A chambered muffler uses baffles to control sound, often making it quieter.
Q: How do I install a new muffler?
A: Installation can range from simple bolt-on to requiring cutting and welding. Many kits come with instructions.
Q: Will deleting the muffler affect my truck’s fuel economy?
A: Some drivers report a slight improvement in fuel economy because the engine doesn’t work as hard. Others see no change.
Q: What is a “resonator delete”?
A: A resonator delete pipe replaces the resonator, which is another part of the exhaust system that helps quiet the sound. Doing this makes the exhaust even louder.
Q: Can I use a muffler designed for a gas engine on my diesel?
A: It’s not recommended. Diesel engines have different exhaust pressures and temperatures. You need a muffler made for a diesel truck.
Q: Where can I buy a muffler for a deleted 6.7 Cummins?
A: You can find them at automotive parts stores, online retailers, and specialized truck performance shops.