Performance 3" Exhaust Turbo Down Pipe 2004.5 To 2010 Chevy/GMC Silverado Sierra 2500 3500 6.6L LLY LBZ LMM Duramax Diesel Truck Fits: 2004.5 to 2010 Chevy/GMC 2500/3500 6.6L LLY, LBZ & LMM Models Only Does Not Fit Older 2004 LB7 Engine Model 3" Turbo Down Pipe, Black Coated Finish Greater Heat Retention. 20% Greater Flow Over Stock. Richer Diesel Sound Part Included: 1 Down Pipe Only, Exactly As Shown In Picture Above