- Exhaust Systems
- Exhaust Kits - Muffler Back
- Roush Performance Mustang Exhaust Kits
Let Your Mustang Roar!
Roush Performance Mustang Exhaust Kits are perfect for the performance enthusiast who likes to hear his or her engine roaring down the road. With added performance and a stylish look, you can turn heads whenever and wherever you are driving. All kits are made from 304 stainless steel for increased corrosion resistance and are mandrel bent to ensure proper airflow maintaining performance.
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2011-2014 Mustang Axle-Back Exhaust
Roush Performance 421145
Roush Performance Axle-Back Exhaust with Dual Round Tips 2011-14 Mustang 3.7L V6
Axle-Back Exhaust with Dual Round Tips2011-14 Mustang 3.7L V6
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$729.99
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Roush Performance 421145-BLK
Roush Performance 421145-BLK Axle-Back Exhaust System for 2011-2014 Ford Mustang V6 3.7L [4 in. Black Dual Tips]
Axle-Back Exhaust System2011-2014 Ford Mustang V6 3.7L Straight-Through Muffler Design Bolt-On Installation, No Cutting 409 Stainless Steel Tubing Dual 4 in. Black Tips
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$729.99
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Roush Performance 421127
Roush Performance Axle-Back Exhaust with Dual Round Tips 2011-14 Mustang 5.0L V8
Axle-Back Exhaust with Dual Round Tips2011-14 Mustang 5.0L V8
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$799.99
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Roush Performance 421127-BLK
Roush Performance 421127-BLK Axle-Back Exhaust System for 2011-2014 Ford Mustang GT 5.0L [4 in. Black Dual Tips]
Axle-Back Exhaust2011-2014 Ford Mustang GT 5.0L Straight-Through Muffler Design Bolt-On Installation, No Cutting 304 Stainless Steel System Dual 4 in. Black Tips
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$799.99
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2015 Mustang
2015 MustangROUSH Active Exhaust Upgrade Kit
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$1,749.99
Estimated to ship direct from manufacturer on 08/03/26, pending manufacturer availability.
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2015+ Mustang Axle-Back Exhaust
Roush Performance 421837
Roush Performance Axle-Back Exhaust with Dual Round Tips 2015+ Mustang 3.7L V6 / 2.3L Ecoboost
Axle-Back Exhaust with Dual Round Tips2015+ Mustang 3.7L V6 / 2.3L Ecoboost T304 Stainless Steel 4" Flash-Chromed Dual Wall Tips
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$729.99
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Roush Performance 421837-BLK
Roush Performance 421837-BLK Axle-Back Exhaust with Dual Round Tips Fits Select Ford Mustang 3.7L V6/2.3L EcoBoost
Axle-Back Exhaust with Dual Round TipsFits Select Ford Mustang 3.7L V6/2.3L EcoBoost Stainless Steel 4 in. Flash-Chromed Dual Wall Tips
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$729.99
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Roush Performance 421834
Roush Performance Axle-Back Exhaust with Dual Round Tips 2015+ Mustang 5.0L V8
Axle-Back Exhaust with Dual Round Tips2015+ Mustang 5.0L V8 T304 Stainless Steel 4" Flash-Chromed Dual Wall Tips
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$799.99
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Roush Performance 421834-BLK
Roush Performance 421834-BLK Axle-Back Exhaust with Dual Round Tips for 2015-2017 Ford Mustang 5.0L V8 [Black Tips]
Axle-Back Exhaust with Dual Round Tips2015-2017 Mustang 5.0L V8 304 Stainless Steel 4 in. Black Dual Wall Tips
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$799.99
Estimated to ship direct from manufacturer on 07/31/26, pending manufacturer availability.
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2015-2017 Mustang
Cat-Back Exhaust System2015-2017 Ford Mustang 5.0L V8 Stainless Steel X-Pipe Mid-Pipes Set of 2 High-Flow Mufflers
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$1,299.99
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Roush Performance 422092-BLK Cat-Back Exhaust System for 2015-2017 Ford Mustang 5.0L V8 [Black Tips]
Roush Performance 422092-BLK
Roush Performance 422092-BLK Cat-Back Exhaust System for 2015-2017 Ford Mustang 5.0L V8 [Black Tips]
Cat-Back Exhaust System2015-2017 Ford Mustang GT 5.0L Straight-Through Muffler Design Bolt-On Installation, No Cutting 304 Stainless Steel Construction Dual 4 in. Black Tips
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$1,299.99
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Ford Mustang
Roush Performance 420131K
Roush Performance Cold Air Intake & Exhaust Kit 2011-2014 Mustang GT 5.0L Includes:
Cold Air Intake & Exhaust Kit2011-2014 Mustang GT 5.0L
Includes: Cold Air Intake Kit Axle-Back Exhaust with Dual Round Tips
Includes:
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$1,149.98
Estimated to ship direct from manufacturer on 07/22/26, pending manufacturer availability.
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Ford Mustang Axle-Back Exhaust
Roush Performance 422333
Roush Performance 422333 Dual Tip Axle-Back Exhaust System Fits Select Ford Roush Mustang GT and EcoBoost [Natural/Polished Finish]
Axle-Back Exhaust SystemFits Select Ford Roush Mustang GT and EcoBoost Dual Tip Rear-Exit Single Inlet/Outlet 4 in. Outlet Stainless Steel Natural Finish Mufflers Polished Finish Tips
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$799.99
Estimated to ship direct from manufacturer on 08/03/26, pending manufacturer availability.
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Roush Performance 422333-BLK
Roush Performance 422333-BLK Dual Tip Axle-Back Exhaust System Fits Select Ford Roush Mustang GT and EcoBoost [Natural/Black Finish]
Axle-Back Exhaust SystemFits Select Ford Roush Mustang GT and EcoBoost Dual Tip Rear-Exit Single Inlet/Outlet 4 in. Outlet Stainless Steel Natural Finish Mufflers Black Finish Tips
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$799.99
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$799.99
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Roush Performance 422097-BLK
Roush Performance 422097-BLK Axle-Back Exhaust System Fits Select Ford Mustang GT 5.0L [Black-Tips]
Axle-Back Exhaust SystemFits Select Ford Mustang GT 5.0L Straight-Through Muffler Design Bolt-On Installation, No Cutting Dual 4 in. Black Tips 304 Stainless Steel
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$799.99
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$1,499.99
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Roush Performance 422093-BLK
Roush Performance 422093-BLK Cat-Back Exhaust System Fits Select Ford Mustang GT 5.0L [Quad 4 in. Black Tips]
Cat-Back Exhaust SystemFits Select Ford Mustang GT 5.0L Straight-Through Muffler Design Bolt-On Installation, No Cutting T304 Stainless Steel Tubing Quad 4 in. Black Tips
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$1,499.99
Estimated to ship direct from manufacturer in 24hrs
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