Corsa Axle-Back Exhaust System 3" Sport With 4" Black Tips GT Fastback Without Active Exhaust 2018-2021



  • Made in the USA
  • Made of 304 Stainless Steel
  • Mandrel-Bent Piping
  • Easy to Install
MSRP $1,730.75
You save 20%

Corsa 3" Sport Axle-Back Exhaust System with 4" Black Tips for 2018, 2019, 2020 and 2021 GT Fastback Mustangs without Active Exhaust.

Get a new, high-quality aftermarket exhaust system for your 2018-2021 GT Fastback Mustang by ordering this Corsa (21039BLK) 3" Sport Axle-Back Exhaust System with 4" Black Tips that are now available at CJ Pony Parts! 

Features & Benefits:
- Made of 304 Stainless Steel and 3" Mandrel-Bent Piping
- Includes 4" Black Quad Exhaust Tips
- Sport Sound Level Provides Distinct Rumble at Idle
- Provides Aggressive High-Performance Sound through Gears
- Patented Reflective Sound Cancellation (RSC) Technology
- RSC Terminates Frequencies Causing Cabin Drone During Cruising
- State-of-the-Art Straight-Through Design Reduces Back Pressure
- Reduced Back Pressure Increases Engine Proficiency
- Step-Down Flanges for OEM Connection
- Includes Instructions and All Necessary Hardware
- Easy Bolt-On Installation
- Made in the USA 

This Corsa (21039BLK) 3" Sport Axle-Back Exhaust System with 4" Black Tips is made of sturdy 304 stainless steel with 3" mandrel-bent piping. This axle-back system comes with 4" black quad exhaust tips and features a sport sound level that provides a distinct rumble at idle. It also features a state-of-the-art straight-through design that reduces back pressure, and this reduced back pressure increases engine proficiency! Installation is an easy bolt-on process, and the entire kit is proudly made in the USA. 

*This exhaust will not fit 2015-2017 models regardless of installed valance.
*Not designed for use with convertibles models. 

Tech Tip: Installation requires cutting of the OE mid-pipes. Once the proper cuts have been made to the factory exhaust system, installation is a simple bolt-on process.

California Residents: Proposition 65 Warning

Installation Difficulty


Intermediate skill is required for this installation.

Vehicle Fitment

This product will fit the following Mustang years:

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