afe Twisted Steel Up-Pipe GM Diesel Trucks 2001-2004 V8-6.6L Turbo Diesel LB7

Construction: These unique up pipes are constructed of 2" mandrel-bent 304 stainless steel tubing with a .120" wall for strength and durability. 2" Inner Liner Flex Pipes: The down-pipes utilizes heavy duty 2" flex tubes with internal inner liner. Leak-Free Seal: High quality 3/8" thick flanges are used for a complete 360 degree sealing surface This Part Fits: Year Make Model Submodel 2001-2004 Chevrolet Silverado 2500 HD Base 2001-2004 Chevrolet Silverado 2500 HD LS 2001-2004 Chevrolet Silverado 2500 HD LT 2004 Chevrolet Silverado 2500 HD WT 2001-2004 Chevrolet Silverado 3500 Base 2001-2004 Chevrolet Silverado 3500 LS 2001-2004 Chevrolet Silverado 3500 LT 2004 Chevrolet Silverado 3500 WT 2002-2004 GMC Sierra 2500 HD Base 2001-2002 GMC Sierra 2500 HD SL 2001-2004 GMC Sierra 2500 HD SLE 2001-2004 GMC Sierra 2500 HD SLT 2003-2004 GMC Sierra 2500 HD WT 2002-2004 GMC Sierra 3500 Base 2001-2002 GMC Sierra 3500 SL 2001-2004 GMC Sierra 3500 SLE 2001-2004 GMC Sierra 3500 SLT 2004 GMC Sierra 3500 WT