Don’t like the sound of your aftermarket exhaust on your EcoBoost? Here is the FIX. Tested out on our own 2012, 2013, 2015, 2016 & 2017 shop trucks. We call it QP (Quiet Power). Can be added to any F150 Eco Boost Exhaust System to aid in some back pressure to maintain low rpm torque and reduce 30% of your overall sound. (aka Kills the bumble bee sound). The Flo~Pro F4 Series Twister Resonator features a continuous spiral design which is less restrictive than glass-packed designs helping to minimize turbulence which increases horsepower over other spiral designs. The dual flow path cancels noise and creates a vacuum effect accelerating the exhaust through the muffler. 4″ Round – 3-1/2″ In/Out – 18″ Length. FEATURES Low interior resonance High quality at an affordable price Expertly made from premium materials NOTES To ensure precise fit, please check catalytic converter shape, length and inlet diameter: the latter should match your exhaust pipe diameter Installation may involve welding and cutting SPECIFICATIONS Style: High Flow “Twister” Sound: Minimal volume reduction; very good at eliminating mid-range drone Material: Aluminized Steel Center Inlet: 3.5″ Center Outlet: 3.5″ Overall Length: 18″ Body Diameter: 4″ Body Length: 12″
