3 inch stainless constant-diameter direct-fit cat-back system cuts backpressure up to 79% & flows up to 138% better. throaty sound, huge polished tip. Forged from heavy-duty stainless steel, Banks' large bore, mandrel-bent Monster exhaust system connects to your truck's factory intermediate pipe, cutting backpressure up to 79% and increasing flow up to 138%. 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. 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 keep it looking good, there's a 1/2 inch air gap to help 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. Got a bad ass F-150? Make it bad asser with a Banks Monster exhaust system!