Fastbacks should sound like Fastbacks. The Corsa 3" Xtreme Cat-Back Exhaust Kit 21040BLK with 4" Black Quad Tips for 2018-2021 GT Fastback Mustangs has the sound you're looking for with the RSC technology to keep the cabin free of drone. The quiet idle will quickly be replaced by a grand touring sound and an increase in engine proficiency thanks to the Corsa design.
Features and Benefits:
- Made of 304 Stainless Steel and 3” Mandrel-bent Piping
- Includes 4” Black Quad Exhaust Tips
- Industry First: Double X-Pipe
- Aggressive 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
Corsa's RSC technology ensures the experience is just as enjoyable as the sound coming out of your new investment. Enjoy the patented sound cancellation technology on the inside, while you zoom down the street with your new OEM connection cat-back. CJ Pony Parts understands the excitement of getting a more aggressive exhaust on your S550, which is why this kit includes all the necessary hardware for an simpler install. Cut the OE mid-pipe to modifications required and bolt-on this double twin 4" black tip cat-back for the real GT sound you always wanted. Made in the USA, the quality 304 Stainless Steel is mandrel-bent for 3" piping.
*This exhaust will NOT fit 2015-2017 models regardless of installed valance.
*NOT designed for use with convertibles models.
- 2018-2021 GT Fastback Mustang without Factory Active Exhaust