•Brand New •Roush Performance part # 422091 •Fits 2015-2026 Mustang 2.3L Ecoboost (Coupe & Convertible) •Reduces back pressure and improves the flow of your Mustang's exhaust system for maximum horsepower, torque, and overall performance •Pipes are made with high-quality 304 stainless steel for durability and corrosion resistance •Eliminates the factory resonator to give your vehicle a racecar-like growl and more aggressive sound •Y-pipe is mandrel bent to ensure consistent flow •Approximate 12-pound weight reduction from stock muffler assembly •Fits 2015-2026 2.3L I4 EcoBoost Mustang (both fastbacks and convertibles) •Installation is quick and simple •Includes all necessary hardware •ROUSH Performance's Resonator Delete Y-Pipe is a quick and affordable way to eliminate your factory resonator to get deep, aggressive and race-inspired sound. Our Y-Pipe increases flow through your 2015-2026 Mustang I4 exhaust system for maximum horsepower and torque. The 2.25-inch Y-Pipe assembly is made from high-grade mandrel-bent 304 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. **ROUSH Performance recommends checking your local noise ordinance levels prior to purchase.