2015-2026 Roush Mustang 2.3L EcoBoost Y-Pipe

Product highlights for the 2015-2026* Roush Mustang 2.3L EcoBoost Y-Pipe:

• 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 all 2015-2025 2.3L I4 EcoBoost Mustang (both fastbacks and convertibles)
• Installation is quick and simple
• Includes all necessary hardware
• *NOTE: Only fits 2025 EcoBoost w/ active exhaust & resonator (must visually inspect, no clear distinction on window sticker if resonator is present from factory)

Roush Performance's Resonator Delete Y-Pipe offers a convenient and cost-effective solution to eliminate your factory resonator, resulting in a deep, aggressive, and race-inspired exhaust note. This Y-Pipe is designed to enhance the flow in your 2015-2026 Mustang I4 exhaust system, delivering maximum horsepower and torque.

Crafted from high-quality mandrel-bent 304 stainless steel, the 2.25-inch Y-Pipe assembly ensures optimal flow, reduced back pressure, and exceptional durability. The system's design and engineering are based on OEM vehicle CAD data, guaranteeing a precise fit.

**Before purchasing, please consider your local noise regulations, as Roush Performance recommends compliance.

Pair this Y-Pipe with our axle back kits to elevate your Mustang's performance:

Fitment (per Roush Performance)

2015-2026 Ford Mustang

• Roush product title reads 2015-2026; the Roush description says it fits all 2015-2025 2.3L EcoBoost Mustangs (fastback and convertible).

Confirm year, engine, body style, and factory equipment before ordering. Fitment verified against the Roush Performance product page (roushperformance.com).

Part number

• 422091

Sold and installed at Vertex Motorsports in Appleton, WI. Call (920) 716-4005.