01-07 Gm Duramax 6.6L Lb7/Lly/Lbz Turbo Back Aluminized Large Bore Exhaust System Hd

The Large Bore HD Performance Turbo-Back exhaust features 4" Aluminized tubing with smooth curves and increased size to help remove restriction and keeps exhaust gasses flowing smoothly. The OE style band-clamps and bayonnet style hangers make sure this system installs cleanly and easily. You will see increased performance and lower EGT's from this system. This system does not come with a tip. All aFe exhaust systems are engineered and manufactured in our Corona, California manufacturing facility.