EGR Delete Kit For LMM 2007.5-2010 6.6L Duramax High Flow Intake Elbow Pipe Tube

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Product Information +

LMM EGR Delete Kit for 2008-2010 6.6L Duramax – High Flow Intake & Full Performance Upgrade

Looking to enhance your 2008-2010 LMM Duramax diesel truck? This complete EGR Delete Kit is designed for off-road use and is tailored for the 6.6L LMM Duramax engine found in GMC Sierra and Chevrolet Silverado 2500HD/3500HD models. By removing the restrictive and failure-prone EGR system and replacing it with a high-flow intake pipe, you'll unlock more efficient airflow, reduce carbon buildup, and extend engine life—all while gaining throttle response and improved fuel economy.

Key Features

  • ✅ Full EGR valve and cooler delete

  • ✅ High-flow intake elbow made of stainless steel

  • ✅ Reduces carbon deposits and improves combustion efficiency

  • ✅ Enhanced throttle response and slight HP gains (0-5 HP)

  • ✅ Lower exhaust gas temperatures (EGTs)

  • ✅ Complete kit with all hardware and gaskets

  • ✅ Available in black or blue finish

  • ✅ Off-road use only – tuning required

What’s Included in the Kit

  • Stainless steel and billet aluminum EGR block-off plates and fittings

  • High-flow intake elbow pipe for increased air volume

  • Full installation hardware set (gaskets, clamps, bolts)

  • Color options: Black or Blue powder-coated finish

Vehicle Compatibility

This EGR delete kit is specifically engineered for:

  • 2008 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax

  • 2009 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax

  • 2010 GMC Sierra 2500HD/3500HD 6.6L LMM Duramax

  • 2008 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax

  • 2009 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax

  • 2010 Chevrolet Silverado 2500HD/3500HD 6.6L LMM Duramax

Installation Information

Click here:  How to Install an EGR Delete Kit on 2007.5-2010 6.6L Duramax LMM/LBZ

  • Estimated install time: 2-4 hours

  • Mechanical skill level: Moderate

  • Recommended tools: Socket wrench set, pliers, torque wrench

  • Tuning is required to avoid CEL (Check Engine Light) and maximize performance

  • Installation by a professional mechanic or shop is recommended for best results

Performance Benefits

  • Removes hot, carbon-rich exhaust gases from being recirculated

  • Cleaner intake system = fewer clogs and longer-lasting components

  • Improved towing performance and fuel efficiency under load

  • Better turbo spool-up and reduced lag

  • Lowers long-term maintenance costs

Important Legal Notice

This product is intended for off-road use only. It is not legal for use on public highways or roads in the United States or Canada where emissions regulations apply. Always check local, state, or provincial laws before installation.

Complete Your Build
Looking for a full delete solution? Check out our All-In-One Delete Kit for LMM Duramax – includes EGR delete, DPF delete, and tuner in a single complete package.

Also recommended:

Q: Will installing this kit cause a check engine light?
A: Yes, unless a tuner is used to disable EGR-related codes. We recommend pairing this kit with an EZ Lynk or MM3 tuner.

Q: Do I need tuning after installing this kit?
A: Absolutely. Tuning is required to prevent Check Engine Lights (CELs) and ensure your engine runs optimally after deleting the EGR system.

Q: Is this kit compatible with my 2008 Silverado 2500HD?
A: Yes. This kit is 100% compatible with all 2008-2010 LMM Duramax models, including Silverado and Sierra.

Q: How much horsepower will I gain?
A: EGR delete alone may offer small gains (0-5 HP), but the real benefits come from improved throttle response, better airflow, and engine longevity.

Q: Does this kit void my factory warranty?
A: Yes, installing any emissions-delete product may void your original equipment manufacturer (OEM) powertrain warranty. Please consult your dealer.

Q: What’s included in the kit?
A: EGR delete plates, high-flow intake pipe, gaskets, mounting hardware, and optional black or blue finish.

Q: How difficult is the installation?
A: For experienced DIYers, it’s a moderate-level install. Beginners should seek professional help.

Customer Reviews

Based on 2 reviews
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Wayne Morris
2008 LMM EGR delete kit

A few instructions would have been helpful. I had to download instructions from Sinister Diesel. I had to modify a couple of brackets on the pipe and motor to make everything bolt up. There is no bracket to attach the dipstick tube to. The biggest issue is the connection point at the intercooler. There is no shoulder for the clamp to clamp on.

D
Danny Anderson
Just ok.

Fitment wasn't the greatest, mounting holes in the brackets didn't line up and the tube end I had to expand and make a more flat flare so the CAC boot would fit better. Needs a bracket for the transmission dipstick tube included.