Fabspeed Porsche 981 Cayman GT4 / Boxster Spyder RENNKRAFT® Modular Headers with HJS Catalytic Converters (2015-2016) Fabspeed Chevrolet Corvette C8 Z06 Titanium Valvetronic Cat-Back Exhaust System (2023+) If you want to know

If you want to know more

Catalysts Manifolds

Improves acceleration

Perfect upgrade for any and all cars that DO NOT have catalytic converters

which utilizes 12 high strength alloy steel drive pins

Fabspeed Porsche 981 Cayman GT4 / Boxster Spyder RENNKRAFT® Modular Headers with HJS Catalytic Converters (2015-2016) Fabspeed Chevrolet Corvette C8 Z06 Titanium Valvetronic Cat-Back Exhaust System (2023+) If you want to knowFabspeed Porsche 981 Cayman GT4 Boxster Spyder RENNKRAFT Modular Headers with HJS Catalytic Converters (2015 2016). These modular headers are the perfect solution for any Cayman or Boxster. Our patented RENNKRAFT modular design features a quick release V band connector that allows the owner to easily swap between our German made HJS 200 cell cats and a cat bypass straight pipes for track use. RENNKRAFT, translated from German is race power. These