aFe Large Bore-HD 4 IN 409 Stainless Steel Cat-Back Exhaust System w/o Tip - Chevy/GMC 2006-2007 6.6L

The Large Bore HD Performance Cat-Back exhaust features 4" 409 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 EGTs from this system. This system does not come with a tip.

• 4 in. Mandrel Bent 409 Stainless Steel Tubing
• Maximum Flow
• High Flow Muffler
• Lower EGTs
• Bayonet Style Hangers For Easy Installation
• Increased Horsepower And Torque
• 2 Year Limited Warranty

Application: GM Diesel Trucks 06-07 V8-6.6L (td) LLY/LBZ