Fabspeed Porsche 991 GT3 Cup Sport Headers (2017 +) Interior These Gains are carried throughout

These Gains are carried throughout the entire RPM range for power you can feel in the seat of your pants

which will be slightly louder than the Supercup with the valves open and just as civilized as our Maxflo system with the valves closed

Must be installed before headers are installed

The CAD flow modeled X-pipe is an exclusive Fabspeed part that gives a smooth high pitched exotic sound and flows much better than a X-Pipe handmade from U bends cut and welded together

All performance exhaust systems are designed with you in mind

Fabspeed Porsche 991 GT3 Cup Sport Headers (2017 +) Interior These Gains are carried throughoutDirect replacement for the restrictive OEM headers, offering improved power and throttle response throughout the RPM range. FEATURES: Fits all Porsche 991 GT3 Cup vehicles 2017+ Includes German imported HJS 200 Cell Tri Metallic Sportcats Optimized for maximum performance with NO catalyst generated check engine light, guaranteed Saves 2 lbs 1 KG from the rear of the vehicle CNC mandrel bent 1pc primary header tubes High velocity Formula 1 motorsports