3" Turbo Pipe W Up Pipe For 2004.5-2005 Chevy GMC 6.6L LLY Duramax Diesel

The Doctor Diesel Duramax downpipe increases performance and efficiency with its thermal coated and heat wrapped design. Made from 3" stainless steel, it also improves throttle response and reduces EGT's. Compatible with V8 6.6L (DIESEL), Silverado/Sierra 2500HD/3500, Extended-Crew Cab/Short-Long Bed, and 2004.5 to 2010 Model Years.