2024-2025
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
No guide available for this part yet.
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Find Axle-Back Exhaust for your Mustang
Roush Axle-Back Exhaust (24-25 Mustang GT w/o Active Exhaust)Find parts that fit my vehicle
Item 387039G24
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$467.99 kit
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Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features & Specs
- Aggressive Exhaust Sound
- Unique Open-Chambered Muffler Design
- 304 Stainless Steel Construction
- Full Mandrel-Bent Tubing
- 4" Round Stainless Steel Tips w/ Chrome Flashing
- Fits 2024-2025 Ford Mustang GT Models without Active Exhaust
| 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
Aggressive Muscle Car Sound. Let your 5.0L Coyote engine howl with a Roush Axle-Back Exhaust. This innovative new Roush exhaust system features a hollow chambered muffler that results in increased air flow and a unique sound, with no in-cabin "boom" normally found with performance exhaust at cruising speeds.
Quality Roush Construction. Constructed from mandrel bent 304 stainless steel for a durable long life, the Roush axle-back exhaust system features two unique open chambered mufflers with 304 stainless steel 4" tips. The 4" tips are finished with a brand new chrome flashing process that is resistant to discoloration due to exhaust heat.
Cut & Clamp Installation. The installation of this Roush Axle-Back Exhaust requires cutting and removing the factory muffler assemblies and clamping the new muffler assemblies in place. Clamps and instructions are provided.
Application. This Roush Performance Axle-Back Exhaust System is designed to fit 2024-2025 Ford Mustang GT Models without Active Exhaust.
Quality Roush Construction. Constructed from mandrel bent 304 stainless steel for a durable long life, the Roush axle-back exhaust system features two unique open chambered mufflers with 304 stainless steel 4" tips. The 4" tips are finished with a brand new chrome flashing process that is resistant to discoloration due to exhaust heat.
Cut & Clamp Installation. The installation of this Roush Axle-Back Exhaust requires cutting and removing the factory muffler assemblies and clamping the new muffler assemblies in place. Clamps and instructions are provided.
Application. This Roush Performance Axle-Back Exhaust System is designed to fit 2024-2025 Ford Mustang GT Models without Active Exhaust.
Roush 421834
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (1) Muffler assembly - Driver Side
- (1) Muffler assembly - Passenger Side
- (2) Tips
- (4) Clamps
Tech Guides:
- Which Ford Mustang Axle-Back Exhaust Fits Your Sound Profile?
- How Does a Ford Mustang Cat-Back Exhaust Boost Style?
- What You Need To Upgrade Your Mustang Exhaust System
- Mufflers vs. Straight-Pipe: Comparing Exhaust Systems
- What are the Benefits of Aftermarket Exhaust Systems
- Cat-Back vs Axle-Back Exhaust
- Does Upgrading an Exhaust Increase Horsepower?
- Best Axle-Back Exhaust for Your Ford Mustang
- What are the Benefits of Active Exhaust?
- What does Active Exhaust Mean?
- How to Improve Your Car's Exhaust Sound
- What is the Best Metal for Aftermarket Exhaust Systems
- Corsa Extreme vs. Borla Atak for Mustang
- Do Exhaust Systems Affect Fuel Efficiency?
- The Best Exhaust Systems for Maximum Horsepower Gains
4.8
Customer Reviews (500+)
Questions & Answers
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Will It Fit My Mustang
- GT - 24, 25
