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The Gibson Dual Split cat-back exhaust for 2011–2012 Ford F-150 STX 3.7L is a stainless system that reduces backpressure to improve torque and horsepower, typically around 15–20 hp. Dual polished tips exit straight from the rear and the baffled muffler limits interior drone. This unit includes hardware and factory-style hangers for an easy bolt-on installation with no welding required and is covered by a lifetime limited warranty.
Gibson 11-12 Ford F-150 STX 3.7L 2.5in Cat-Back Dual Split Exhaust - Stainless
