aFe MACHForce XP SS Exhaust 3in to 3.5in Cat-Back w/ Polished Tip 15 Ford F-150 EcoBoost V6 2.7/3.5L carbon fiber hood causing pre-detonation and knocking

causing pre-detonation and knocking

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aFe MACHForce XP SS Exhaust 3in to 3.5in Cat-Back w/ Polished Tip 15 Ford F-150 EcoBoost V6 2.7/3.5L carbon fiber hood causing pre-detonation and knockingManufacturer Part # : 49 43068 P Market Description The Mach Force XP cat back exhaust system produces 11 hp and 10 lbs. ft. of torque. constructed from 2. 75 in. mandrel bent 304 hand brushed stainless steel and utilizes a unique crossover pipe that helps to equalize exhaust pressure and tunes the exhaust pulse. Comes with dual 3. 5 in. polished 304 stainless steel tips and muffler to build a mellow yet powerful sound. Engineered and manufactured in