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2015-2026 Roush Mustang GT Resonator Delete X-Pipe — image 1

Exhaust

2015-2026 Roush Mustang GT Resonator Delete X-Pipe

Roush part # 422046

$259.99

Roush retail price · part only

Installed at our shop

est. $484.99

Part $259.99 + about 1.5 hrs labor at $150/hr ($225.00).

Estimate only — shop supplies and sales tax not included. We confirm the final installed price for your exact vehicle before any work.

Fits: 2015–2026 Mustang

Installed at our East Bridgewater shop, or shipped anywhere in the US. Prefer to talk? 508-715-3554

  • Genuine ROUSH Performance part, from an authorized Gold Dealer
  • Installed by Ford specialists at our East Bridgewater shop
  • Roush retail price. Installed price estimated up front, confirmed before work

Prices and availability subject to change. Prices updated October 2, 2026.

Details & specs

Product highlights for the 2015-2026 Roush Mustang GT Resonator Delete X-Pipe:

  • Fits 2015-2026 5.0L V8 Mustang GT (both fastbacks and convertibles)
  • 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 stainless steel for durability and corrosion resistance
  • Eliminates the factory resonator to give your vehicle a racecar-like growl and more aggressive sound
  • X-pipe is mandrel bent to ensure consistent flow
  • 12-pound weight reduction over stock muffler assembly
  • Compatible with Ford and Roush Active Exhaust Systems.
  • Installation is quick and easy, with no vehicle modifications required
  • Includes all necessary hardware
  • Includes Roush Limited Warranty

Roush Performance's Resonator Delete X-Pipe offers an affordable solution for removing the factory resonator, delivering an incredible race-inspired sound. This X-Pipe significantly enhances the flow of your 2015-2026 Mustang GT exhaust system, including Ford's factory active exhaust, unlocking maximum horsepower and torque.

The Resonator Delete X-Pipe provides a quick and straightforward way to enhance the sound and performance of your 2015-2026 Mustang for a more exhilarating on-road experience.

Crafted from high-grade mandrel-bent stainless steel with a 2.5-inch diameter, this X-Pipe ensures maximum flow, reduced back pressure, and exceptional durability. The system's design and engineering leverage OEM vehicle CAD data to guarantee a perfect fit, ensuring a hassle-free installation process.

Sound Clip - Taken with the 2015+ Mustang Roush Axle-Back Exhaust Kit also installed.

More Roush parts for your Mustang

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Or call 508-715-3554 · Mon–Fri 8–5