Corsa Cat-Back Exhaust Kit Sport 3" With 4" Polished Quad Tips GT Fastback Without Factory Active Exhaust 2018-2023



  • Double X-Pipe Design
  • Back Pressure Reduction
  • Made of 304 Stainless Steel
  • Built with RSC Technology
MSRP $2,488.50
You save 15%

Corsa 3" Sport Cat-Back Exhaust Kit with 4" Polished Quad Tips for 2018, 2019, 2020, 2021, 2022, and 2023 GT Fastback Mustangs without the Factory Active Exhaust Option.

Need a deep, intimidating exhaust note? Is your current exhaust just not cutting it? The Corsa (21042) 3" Sport Cat-Back Exhaust Kit with 4" Polished Quad Tips for your 2018-2023 GT Fastback Mustang has the sound you crave. The RSC technology to keeps the cabin drone-free.

Features and Benefits:
- Made of 304 Stainless Steel and 3” Mandrel-bent Piping
- Includes 4” Polished Quad Exhaust Tips
- Industry First: Double X-Pipe
- Deep Muscle Car Sound Under Acceleration
- Patented Reflective Sound Cancellation (RSC) Technology
- RSC Terminates Frequencies that cause 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

*Not intended for 2015-2017 models regardless of installed valance.

Please Note: This exhaust will NOT fit convertibles due to the extra bracing around the rear suspension.

The state-of-the-art, straight-through design of the Corsa (21042) 3" Sport Cat-Back Exhaust Kit with 4" Polished Quad Tips reduces back pressure. Installation instructions and the necessary hardware make this an easy bolt-on installation! Included with this exhaust kit are step-down flanges so you can have that OEM connection. This exhaust kit was made in the USA!

California Residents: Proposition 65 Warning

Related Categories: Mustang Parts, Mustang Exhaust, Mustang Cat Back Exhaust Kits

Installation Difficulty


Intermediate skill is required for this installation.

Vehicle Fitment

This product will fit the following Mustang years:

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