2024-2026
2015-2023
2010-2014
2005-2009
1999-2004
1994-1998
1979-1993
Installation Time
(approx) 1 Hour
Difficulty Level:
Light to Moderate mechanical skill required.
Installation Guides
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Roush Extreme Axle-Back Exhaust (05-10 Mustang GT, GT500)Find parts that fit my vehicle
Item 387146
Our Price
$649.99
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$32.50 Available in AM Cash Rewards.
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Frequently Bought Together
Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Tough, Aggressive Growl
- Straight-Through High-Flow Resonators
- 2.5" 409 Aluminized Stainless Steel Tubing
- 4" 304 Stainless Steel Tips
- Flash Chromed Dual Wall Tips w/ Roush Logo
- Fits 2005 to 2010 GT and GT500 Mustangs
| Brand | Roush |
| Exhaust System Type | Axle-Back System |
| Exhaust System Material | Stainless Steel |
| Exhaust System Tip Finish | Chrome, Polished |
| Exhaust System Tubing Diameter | 2.50 Inch |
| Exhaust Loudness | Aggressive |
Description
Tough, Aggressive Growl. Let your 2005-2010 GT or 2007-2010 Shelby GT500 Mustang growl with a Roush Extreme Axle-Back Exhaust System. This innovative Roush exhaust system features straight-through high-flow resonators, providing increased air flow and that unique tough, guttural sound with no in-cabin exhaust drone.
Quality Roush Construction. Designed for a durable long life and corrosion resistance, the Extreme Axle-Back is constructed from mandrel-bent 2.5" diameter 409 aluminized stainless steel tubing. Utilizing stock mounting points and pre-welded hangers, this axle-back features (2) 4" flash-chromed 304 stainless steel dual wall tips that have been completed with the "ROUSH" logo for impressive looks.
Application. This Roush Extreme Axle-Back Exhaust is designed to fit the 2005-2010 GT and 2007-2010 Shelby GT500 Mustangs with the factory rear valance, not cutting or fabrication required.
Quality Roush Construction. Designed for a durable long life and corrosion resistance, the Extreme Axle-Back is constructed from mandrel-bent 2.5" diameter 409 aluminized stainless steel tubing. Utilizing stock mounting points and pre-welded hangers, this axle-back features (2) 4" flash-chromed 304 stainless steel dual wall tips that have been completed with the "ROUSH" logo for impressive looks.
Application. This Roush Extreme Axle-Back Exhaust is designed to fit the 2005-2010 GT and 2007-2010 Shelby GT500 Mustangs with the factory rear valance, not cutting or fabrication required.
Roush 421915
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (2) Axle-Back Assemblies
- (2) Dual Wall Tips
- (4) Clamps
Tech Guides:
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4.8
Customer Reviews (159)
Questions & Answers (33)
Will It Fit My Mustang
- Bullitt - 08, 09
- GT - 05, 06, 07, 08, 09, 10
- GT500 - 07, 08, 09, 10
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