Skip to product information
1 of 8

2015-2017 Mustang GT 5.0 Roush Axle Back Exhaust System & X-Pipe Resonator Kit

2015-2017 Mustang GT 5.0 Roush Axle Back Exhaust System & X-Pipe Resonator Kit

Roush Performance

MPN: 421834, 422046


Regular price $1,089.98 USD
Regular price Sale price $1,089.98 USD
Sale Sold out
We have 2 in stock
  • Free Shipping to the Contiguous 48 States!
•Brand New
•Roush Part #s 421834 & 422046
•Fits 2015-2017 Ford Mustang GT 5.0L Fastback or Convertible

Roush 422046 X-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 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
•Installation is quick and easy, with no vehicle modifications required. Doesn't require any welding or tuning
•Includes new clamps for front, reuses factory rear clamps
•Includes ROUSH's 3-Year Limited Warranty
•Instructions are included
Roush 421834 Axle-Back Exhaust
•Sold as a pair (RH & LH)
•ROUSH designed Single tip high-flow mufflers
•Corrosion resistant 304 stainless steel
•Full mandrel bending
•4" Flash-chromed dual wall tips
•Uses OEM hangars and mounting points
•Requires no welding

Give your 2015-2017 5.0L Mustang a more aggressive sound and boost performance with a ROUSH exhaust system. 2015-2017 ROUSH Axle Back exhaust systems are constructed of corrosion resistant T-304 stainless Steel and are mandrel bent. Mandrel bending maintains a constant inner diameter with no kinks or creases. This improves exhaust flow and reduces backpressure in the system. This system includes single tip High flow mufflers that improve the stock sound of the Mustang V8

Listen below!

Outside Take Off

Inside Take Off

Outside Drive By
View full details