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aFe Exhaust System For 1999-‘03 GM Gas Trucks

Advanced FLOW engineering (aFe Power) releases a MACH Force XP Cat-Back Exhaust System for the 1999-03 GM Gas Trucks V6-4.3L/V8-4.8/5.3L, P/N 49-44012-B. This MACH Force XP Cat-Back exhaust system produces an astonishing 9hp and 15lbs.- ft. torque. This exhaust is constructed of 3-inchmandrel-bent, 409 stainless steel and comes complete with free-flowing muffler, tubing, OE style bayonet hangers, band clamps and all hardware necessary for a hassle-free installation. The smooth curves and increased diameter of this exhaust system helps remove restriction and keeps exhaust gas flowing smoothly for increased horsepower and torque. For more information, visit

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