Quick Ship SKU #: AFE-49-44001-Main AFE MACH Force XP 4" Stainless Cat Back Exhaust 2001-05 GM 6.6L Duramax

The Cat-Back exhaust system features 4" stainless steel tubing with smooth curves and increased size to help remove restriction and keeps exhaust gasses flowing smoothly. The OE style band-clamps and bayonet style hangers make sure this system installs cleanly and easily. You will see increased performance and lower EGT's from this system.

All aFe exhaust systems are engineered and manufactured in their Corona, California manufacturing facility. Made in the USA.