Description
Performance Exhaust Conversion. The Corsa Performance Axle-Back Conversion Kit is designed to upgrade the 2015-2020 Mustang GT350’s exhaust system, delivering enhanced sound and improved exhaust flow. This kit replaces existing components to provide a customizable exhaust tone with active valve control for both refined and aggressive driving experiences.
Construction and Appearance. Constructed from mandrel bent 3-inch 304 stainless steel, this conversion kit features a twin crossover Double Helixx X-pipe and mufflers equipped with proprietary No Drone Reflective Sound Cancellation (RSC) technology. The assembly is made in America and finished for long-lasting durability and a sleek, performance-oriented look without additional tip styling, utilizing stock bezels.
Installation. Installation requires moderate mechanical skill and is designed to fit specifically with Corsa exhaust components; no cutting or drilling is necessary when paired with compatible parts. This kit is not compatible with stock exhaust systems.
Warranty. The valve assemblies carry a five-year warranty, and the overall exhaust system is backed by a limited lifetime warranty, providing confidence and durability for owners.
Application. This conversion kit fits 2015-2020 Mustang GT350 models equipped with Corsa exhaust systems and is not compatible with original factory exhaust configurations.
Corsa Performance 21098
CA Residents: WARNING: Cancer and Reproductive Harm
- Mufflers With Connection Pipes For Use With Double X-Pipe
- Mufflers Only For Use With Obsolete Non-Active Cat-Back
- Designed To Fit CORSA Exhaust
- Will Not Fit Stock Exhaust
- Limited Lifetime Valve Warranty
- Backed By Limited Lifetime Warranty
- Valves Have 5 Year Warranty
- Xtreme Valved Sound Level
- Mandrel Bent 3 Inch 304 Stainless Steel Construction
- Twin Crossover CORSA Double Helixx X-Pipe
- Mufflers Equipped With No Drone Reflective Sound Cancellation (RSC) Technology
- Made In America
- Improves Exhaust Flow Up To 10 Percent
- Reduces Weight By 8 Pounds Compared To Factory System
- Allows Valve Operation For Variable Sound Levels
- Fit Customizes Sound To Crisp With Valves Closed Or Aggressive With Valves Open
- Fits 15-20 Mustang GT350 W/ CORSA Exhaust






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