Free flowing direct - fit resonator - back system cuts backpressure. Throaty sound huge polished tip. Ford 3.5L EcoBoost. Constructed from heavy - duty stainless steel, Banks large bore, mandrel - bent Monster exhaust system connects to your trucks factory intermediate pipe, cutting backpressure and increasing flow. That gives you the best of all worlds - increased power, greater longevity and maximum fuel efficiency. The polished - stainless straight - through muffler outflows stock by a mile and delivers a commanding, yet civil, exhaust note. This system has been specifically developed to work with the factory resonator (where equipped) to eliminate in - cab drone and resonance which can be very pronounced on variable cam timing V6s, while maintaining a throaty performance sound. The system includes Banks exclusive ob - round (patented design) angle - cut rolled - edge tailpipe tip in your choice of polished chrome - over stainless or high - temp black And to help keep it looking good, theres a 12 in. air gap to keep heat from tarnishing the finish. An adjustable clamp lets you position it on the tailpipe just right. The lightweight, direct - fit - system bolts on easily. Looks great on the Tremor Fully compatible with Fords factory warranty and so durable that its covered by Banks 5 - Year Limited Warranty Monster Exhaust System, Single Exit, Chrome Obround Tip for use with 2011 - 2014 Ford F - 150, 3.5L EcoBoost, 5.0, 6.2L all CabBed