Sinister Diesel 4" Stainless Steel Exhaust Kit for 2001-2007 Chevy Duramax 6.6L LB7/LLY/LBZ (Downpipe Back)
The high-performance stainless steel exhaust systems from Sinister Diesel are designed to maximize the horsepower and deliver more torque to the wheels of your Chevrolet or GMC Silverado or Sierra diesel truck with the LB7, LLY, or LBZ Duramax engine. Each Sinister Diesel Duramax exhaust system is precision cut and bent from 409 Stainless Steel for high corrosion resistance and easily bolts together using the included hardware and gaskets. This full 4-inch downpipe-back LB7, LLY, and LBZ Duramax diesel exhaust kit comes with all the components that you need to install a full stainless exhaust and muffler for any cab and bed configuration and includes an 18-inch muffler, a straight-pipe muffler replacement, and a polished stainless steel exhaust tip with a rolled edge and stamped Sinister Diesel logo.
Note: This item is not for sale in The State of California
- 4" Diameter for reduced restriction and improved exhaust flow
- Improved Horsepower and Torque
- 409 Stainless Steel Construction
- Quicker Turbo Spool-up
- Lower Exhaust Gas Temperatures
- Improved Exhaust Note
- Includes both 18" Muffler and 18" Straight Pipe
- Polished Sinister Diesel Exhaust tip
- (1) Full Downpipe-Back Exhaust System
- (1) 18" Muffler
- (1) 18" Straight Pipe
- Installation Hardware and Gaskets
- Polished Stainless Steel Exhaust Tip
- Item Requires Shipping
- 75.0 lbs.
- W20.0000” x H20.0000” x L50.0000”
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