Fabspeed Porsche 718 GT4 RS RENNKRAFT® Long Tube Header System (2022+) Numeric Racing Porsche 981 / 718 / 991 / 991 / 992 / GT3 / GT4 Short Throw Shifter The lower is for crankcase

The lower is for crankcase ventilation and is standard use on all applications

Lighter than stock brakes

They also help keep the manifold aligned while bolting it into place

Improved throttle response

Fabspeed Porsche 718 GT4 RS RENNKRAFT® Long Tube Header System (2022+) Numeric Racing Porsche 981 / 718 / 991 / 991 / 992 / GT3 / GT4 Short Throw Shifter The lower is for crankcaseFabspeed Porsche 718 GT4 RS RENNKRAFT Long Tube Header System (2022+) The ULTIMATE header system for the GT4RS is here! We took 30+ years of Porsche engineering experience and pulled out all the stops to design our RENNKRAFT Long Tube Header System. After analyzing the factory system we decided to move the primary catalytic converter to behind the rear axle. This gave us the room to create true long tube headers while also ditching the factory 700