Product Description:
Upgrade your Duramax with a stronger, more reliable turbo exhaust setup built to handle heat, boost, and daily abuse.
This 3” stainless steel turbo exhaust kit is designed for 2004–2010 Chevrolet Silverado Duramax / GMC Sierra Duramax LLY, LBZ, and LMM trucks, featuring a direct-fit LB7-style passenger-side up-pipe paired with a 3” downpipe for improved flow and durability.
Whether you're replacing a failed factory pipe or upgrading your setup, this kit eliminates common weak points and helps support higher power levels.
Key Features:
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3” Mandrel-Bent Stainless Steel Construction
Built to withstand extreme heat and long-term use without cracking or warping -
LB7-Style Passenger Side Up-Pipe
Proven, simplified design for better reliability vs factory setups -
3” Downpipe Upgrade
Improves exhaust flow and reduces restriction at the turbo -
Heat Wrap Included
Helps control underhood temps and protect surrounding components -
Direct Fit Design
Designed to bolt in with minimal modification on LLY, LBZ, and LMM platforms
Benefits:
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Increased reliability over factory exhaust components
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Better turbo efficiency and exhaust flow
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Lower EGTs under load
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Ideal for tuned and stock trucks alike
Fitment:
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2004.5–2005 Duramax LLY
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2006–2007 Duramax LBZ
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2007.5–2010 Duramax LMM
Fits Chevrolet Silverado 2500HD/3500HD Duramax and GMC Sierra 2500HD/3500HD Duramax
Notes:
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Professional installation recommended
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Designed for off-road / performance applications