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• Reduces backpressure 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 2015-2021 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. The Y-Pipe increases flow through your 2015-2024 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 the perfect fit.

SKU: 422091

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Roush Performance

Combining engineering with entrepreneurship, Roush founded Roush Performance Engineering in 1976 and began selling designs he had created for his own team to the wider world of motorsport. His tenacious, solutions-based approach brought great demand for Roush engines and components for drag, oval-track, and hill-climb racing, as well as offshore powerboats