Upgrade your 2015–2018 Mustang GT V8 5.0L S550 with Untd. Performance Long Tube Headers Ceramic Coated, designed to maximize horsepower, improve exhaust flow, and deliver a deeper, more aggressive V8 sound. Built from premium 304 stainless steel, these headers offer a direct bolt-on fit and proven performance gains for your 5.0L Coyote.