This system fits all V6/V8 engines and produces an astonishing 9 HP and 15lbs. x ft. torque at the wheels. The cat-back design is constructed using 3 mandrel-bent 409 stainless steel, free-flowing muffler, OE style bayonet hangers, band clamps and all hardware necessary for a hassle-free installation. The smooth curves and increased diameter of the exhaust system helps remove horsepower robbing restriction and keeps exhaust gas flowing smoothly for increased horsepower and torque. The system is finished off with an aggressive black 304 stainless steel, rolled slash cut tip for an aggressive style.. MACH Force-Xp 3 IN 409 Stainless Steel Cat-Back Exhaust System w/Black Tip GM Trucks 1500 04-07 V6/V8. aFe MACHForce XP Exhaust SS-409 Cat-Back w/ 304SS Black Tip 04-07 GM Trucks 1500 V6/V8. MACH Force-Xp 3 IN 409 Stainless Steel Cat-Back Exhaust System w/Black Tip. Reuses Factory Mounting Locations For A Hassle-Free Installation. Made From Mandrel Bent Stainless Steel Tubing For Maximum Flow. Straight Through Design Free-Flowing Stainless Steel Muffler. High Quality Flange And Band Clamps Improve Sealing Surface. EXH CB; GM Trucks 1500 04-07 V6/V8 (blk tip). MACH Force-Xp Cat-Back Exhaust System. +15 ft. x lbs. TQ & +9 HP. Exhaust System Kit. Cat-Back Exhaust

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