Flowmaster Axle-Back Exhaust Kit Outlaw Stainless Steel 3" With 4" Black Quad Exhaust Tips For Active Exhaust Option Mustang GT 2018-2023
Flowmaster 3" Stainless Steel Outlaw Axle-Back Exhaust Kit with 4" Black Quad Exhaust Tips for 2018, 2019, 2020, 2021, 2022, and 2023 GT Mustangs with the Active Exhaust Option.
If you’re ready to make some modifications to your 2018-2023 GT Mustang, one of the best places to start is with your exhaust. So be sure to pick up this Flowmaster 3" Stainless Steel Outlaw Axle-Back Exhaust Kit with 4" Black Quad Exhaust Tips that’s now available at CJ Pony Parts!
Features & Benefits:
- Fits All 2018-2023 GT Mustangs with the Active Exhaust Option (Convertible and Fastback)
- Dyno-Tested to Achieve Maximum Performance
- Provides Aggressive, Race-Inspired Exhaust Sound
- Made of 409 Stainless Steel Mandrel-Bent 3" Tubing
- Includes Two (2) Black Powder-Coated Outlaw Mufflers
- Includes Premium-Quality Black 4" Double Wall Angle-Cut Quad Exhaust Tips
- Easy Bolt-On Installation with Included Mounting Hardware
- Designed to Work with GT’s Active Exhaust System
- Made in the USA
This Flowmaster (817824) 3" Stainless Steel Outlaw Axle-Back Exhaust Kit with 4" Black Quad Exhaust Tips is proudly made in the USA and is dyno-tested to achieve the best performance possible. It’ll fit any 2018-2023 GT Mustang that has the Active Exhaust Options and is easy to install with the included mounting hardware. It’ll give your Mustang a loud, bold and aggressive exhaust note that’s sure to turn heads! This axle-back exhaust is made of 409 stainless steel with 3" mandrel-bent tubing and comes with 2 Outlaw mufflers and 4" double wall angle-cut quad exhaust tips.
Vehicle Fitment:
- 2018-2023 GT Mustangs with the Active Exhaust Option
*For 2018+ models only. This exhaust will NOT fit 2015-2017 models regardless of the installed valance.
Please Note: This system is only designed for use with models that are equipped with the Active Exhaust Option from the factory.
Tech Tip: Installation requires cutting of the factory exhaust piping. Once the modifications have been made to the factory exhaust system, installation is a simple bolt-in procedure.
California Residents: Proposition 65 Warning
Related Categories: Mustang Parts, Mustang Exhaust, Mustang Axle Back Exhaust Kits
Installation Difficulty

Intermediate skill is required for this installation.













