01-05 6.6L Duramax MBRP Cat Back 4″ Installer Series

Description MBRP – 4″ Aluminized Cat Back Exhaust with 5″ Tip fits: 2001-2005 GM 6.6L Duramax Part # S6000AL 2001-2005 Chevy/GMC 2500/3500 Duramax Cat Back, Extended Cab/Crew Cab, Single Side KEY FEATURES: Mirror polished 5″ T304 stainless steel tip Rich, mellow exhaust note Installs with common hand tools Can improve fuel economy by 1-2 mpg Boosts torque and horsepower Complete Cat Back System