Benefits
- Increases Horsepower & Torque
- Replaces Factory Axle Back
- Easy Installation
Features
- Outlaw Series Mufflers
- 409S Stainless Steel Construction
- 3" Mandrel Bent Tubing
- 4" Ceramic Black Tips
What's in the Box
- (1) Axle Back Exhaust Kit
American Thunder Axle Back ExhaustFlowmaster has done it again with this 2015-2023 Mustang 3.7/Ecoboost coupes or convertibles Outlaw Series axle back exhaust system. Bolt-on this performance axle back to your Mustang to hear and feel an increase in horsepower and sound! This axle back minimizes the restrictions that the factory axle back has, maximizing the exhaust flow for an increase in fuel economy and throttle response as well! This axle back is made to fit on all 2015-2023 Mustang 3.7/Ecoboost that did not come with the active performance exhaust option from the factory. Pick up the classic Flowmaster sound for your S550 and start turning heads everywhere you go!
Flowmaster Quality Featuring 3" fully mandrel bent 409 stainless steel tubing, this axle back kit packs a mean rumble with this system ending at their race-proven Outlaw series mufflers and finished off with huge 4" black ceramic stainless steel tips! This kit comes backed by Flowmaster's lifetime warranty to give you peace of mind. Designed right here in the USA for a problem-free fit, these systems include all necessary clamps along with detailed instructions for a simple installation.
Flowmaster Exhaust Warranty - Click Here