ROUSH Performance's Resonator Delete X-Pipe is an affordable way to eliminate your factory resonator to get amazing race-inspired sound. Our X-Pipe increases flow through your 2015-2023 Mustang GT exhaust system, including Ford's factory active exhaust, for maximum horsepower and torque.The Resonator Delete X-Pipe is a quick and easy way to improve the sound and performance of your 2015-2023 Mustang on the road.The 2.5-inch X-Pipe assembly is made from high-grade mandrel-bent stainless steel to ensure maximum flow with less back pressure and long-lasting durability. The system is designed and engineered using OEM vehicle CAD data to ensure perfect fit.