4"/5" DPF Delete Race Pipe for 2007.5-2010 LMM 6.6L Duramax

4" to 5" High-Flow Race Pipe for 2007.5-2010 Chevy Silverado GMC Sierra 6.6L LMM Duramax

Built for 2007.5–2010 GM / Chevy 2500/3500 6.6L LMM Duramax models, this DPF delete race pipe eliminates factory restrictions to improve exhaust flow, reduce temperatures, and support higher performance tuning. For off-road and race use only.

Key Features

• Lower Backpressure & Reduced EGTs: This design minimizes exhaust restriction and significantly lowers exhaust gas temperatures, helping your engine run cooler and more efficiently under load.
• Improved Fuel Economy & Power Output: By optimizing exhaust flow, this system enhances combustion efficiency, resulting in better fuel mileage and noticeable gains in overall power delivery.
• Clean, Aggressive Exhaust Note: Delivers a deep, assertive tone that is both sporty and refined—giving your vehicle a commanding presence without excessive cabin drone.

Specification

Material: Made from T-409 stainless steel, known for its high corrosion resistance and durability.

Diameter Options: Choose between 4” or 5” diameters to suit your exhaust needs.

Thickness: 2mm wall thickness for added durability and heat resistance.

Complete Hardware Kit: Includes all necessary clamps, brackets, and bolts for installation. Some models may require reusing factory hardware to secure a perfect fit.

Configuration Options

Shipping & Returns

Fast & Free Shipping Policy

Your order will be dispatched within 1-2 business days, and the package will arrive within your order's estimated date. Click for Shipping Policy.

Fast & Easy Return Policy

Every order comes with a 14-day free return, which means you don't have to pay for a return slip. Click for Return Policy.

Fitment

2007.5-2010 6.6L LMM Duramax Chevy Silverado/GMC Sierra 2500HD/3500HD

*Not compatible with Cab & Chassis models. Verify your build date — year 2007 splits into early (LBZ) and late (LMM) production. LBZ's 8th digit of VIN is D, while LMM's 8th digit is 6. If you have an LBZ engine, check LBZ Duramax Dp-Back exhaust.

*To learn more about identifying your Duramax engine, check blog post: Identify Your Diesel Engine (Duramax, Cummins & Powerstroke).

FAQ

Q: Will removing the DPF hurt my Duramax engine?
A: No, DPF removal actually improves exhaust flow, reducing backpressure and allowing the engine to operate more efficiently, especially under heavy load or off-road conditions.

Q: Will DPF deletion void my warranty?
A: In some cases, DPF deletion could affect your vehicle’s warranty. If you have any concerns, check with your dealership or verify the specifics of your warranty.

Q: What’s the difference between DPF and DEF deletion?
A: DPF removal is about reducing particulate matter in the exhaust, while DEF systems are used to control NOx emissions. They’re separate systems with different functions.

Q: What does the "DPF race pipe" mean?
A: "DPF race pipe“also called "DPF Delete Pipe", it only removes the DPF and keeps other parts in the exhaust system.

Q: What does "DP-back/Downpipe-back" mean?
A: A Downpipe-back exhaust runs from the downpipe all the way to the end of the exhaust pipe. This typically includes the mid-pipe, catalytic converter (if present), and muffler.

Q: What is your DPF made of? Stainless steel or aluminum?
A: They are made of 409 stainless steel.

Q: Do your DPF deletion kits need to purchase additional parts?
A: Our DPF delete kit comes with all the parts to complete the DPF deletion.

Q: Does your DP-back pipe work with stock parts?
A: Yes, our Downpipe-back pipe can fit perfectly with the stock Downpipe and stock bolts. If you are looking into further performance enhancement, check 3''/3.5'' Downpipe For 2007.5-2010 LMM 6.6L Duramax Diesel.