Exhaust Downpipe For Chevy 01-16 GMC Chevy 6.6L Duramax

Features: 201 stainless steel top pipes on both sides significantly reduce exhaust back pressure. Smooth stainless steel inner liner corrugated tube. 11 stainless steel, 12 inches long, 2-inch outer diameter top pipe. Direct replacement for factory manifold. The right-hand pipe is speciallyed to clear the firewall. Faster turbo response. Lower exhaust temperature. Fitment 2001-2004 Chevrolet GMC LB7 6.6L Duramax Diesel 2004.5-2005 Chevrolet GMC LLY 6.6L Duramax Diesel 2006-2007 Chevrolet GMC LBZ 6.6L Duramax Diesel 2007.5-2010 Chevrolet GMC LMM 6.6L Duramax Diesel 2011-2016 Chevrolet GMC LML 6.6L Duramax Diesel