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  1. Diamond Eye Performance 4" Stainless Down Pipe Back Single for 2001-2007 Chevy/GMC


    • Diamond Eye Performance exhaust systems for Diesel trucks come in T-409 Stainless Steel or 16-gauge aluminized steel
    • Most exhaust kits can be installed in about an hour with ordinary hand tools
    • Made in the USA
    • More power, lower EGTs and better fuel economy
    • 4in or 5in kits
    • Single and Dual outlets
    • Chevy/GMC 6.6l Duramax Diesel 2500/3500 (All Cab and Bed Lengths) 4" T409 Stainless Steel - Performance Diesel Exhaust Kit - Down Pipe Back (Off-Road) Single


    • Refer to Manufacturer's Warranty


    • Not for sale on licensed California vehicles

    This is a "RACE ONLY" product used solely for competition. Its use is limited to closed-course and open-course racing that is formally sanctioned by a recognized racing organization. Any other use including recreational off-road use could be in violation of local, state and federal laws. Not for vehicles registered for use on the highway or street.

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