Fabspeed Porsche 718 Boxster/Cayman Maxflo Cat-Back Exhaust System (2017+) is a Fabspeed Motorsport performance upgrade for Porsche 718 Boxster and Cayman applications. Engineered for improved exhaust flow, sound and performance using application-specific components. Listed price reflects Fabspeed's current MSRP starting price where options affect final price.