This Cat-back system for 2018-2023 Ford Mustang Gt is constructed from 3" lightweight, 18-gauge, mandrel bent, 304 stainless steel. It includes dual 304 polished stainless steel, high-flow straight through mufflers and 4" dual-wall, angle-cut, polished 304 stainless steel tips with laser etched Hooker BlackHeart logos. Engineered to offer both premium fitment and maximum performance from your 5.0L engine.