aFe MACH Force-Xp 304 SS Catback Exhaust 17-19 Dodge Challenger V8-5.7LAdd more power and sound to your Challenger with this MACH Force Xp cat back system which produced gains of up to +13 horsepower and +15 lbs. x ft. torque as measured on our in house dyno. Dual 3" mandrel bent, MIG welded, 304 stainless steel tubing with X pipe and crossover balance tube keeps exhaust flowing smoothly and evenly for power gains you can feel and hear. This system utilizes the factory exhaust valve motor and spherical clamps are used to
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