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 2015-2021 Mustang I4 exhaust system for maximum horsepower and torque. The 2.5-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. Pair with our axle back kits to take your Mustang to the next level!2015-2021 Mustang 3.7L ROUSH V6 and 2.3L Ecoboost Exhaust Kit (#421837)2015-2021 Mustang ROUSH 2.3L EcoBoost I4 Performance Pac Level 2 (#422069)
Quick to install, our stainless steel Y-Pipe for the 15-20 I4 EcoBoost Mustang is an affordable way to get that deep, aggressive, race-inspired tone. Ships free.
2015-2018 Mustang 2.3L

Fitment:
Ford Mustang EcoBoost 2015
Ford Mustang EcoBoost 2016
Ford Mustang EcoBoost 2017
Ford Mustang EcoBoost 2018
Ford Mustang EcoBoost 2019
Ford Mustang EcoBoost 2020
Ford Mustang EcoBoost 2021
Ford Mustang EcoBoost Premium 2015
Ford Mustang EcoBoost Premium 2016
Ford Mustang EcoBoost Premium 2017
Ford Mustang EcoBoost Premium 2018
Ford Mustang EcoBoost Premium 2019