Fabspeed Porsche 718 GT4 / GTS / Spyder RENNKRAFT® Modular Street and Racing Headers with HJS Catalytic Converters (2020+) C8 Z06 Unlike a Blow-off Valve (BOV)

Unlike a Blow-off Valve (BOV) which vents back-flowing charged air to the atmosphere

Innovation not Imitation is what you get with 25+ years of experience

E85 pump fuel

100% Complete BOLT-ON conversion - includes 4

Fits: 981 (2

Fabspeed Porsche 718 GT4 / GTS / Spyder RENNKRAFT® Modular Street and Racing Headers with HJS Catalytic Converters (2020+) C8 Z06 Unlike a Blow-off Valve (BOV)Fabspeed Porsche 718 GT4 GTS Spyder RENNKRAFT Modular Street and Racing Headers with HJS Catalytic Converters (2020+) headers are the perfect solution for any street driven 4. 0 liter Cayman or Boxster. Our patented 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 (patent pending). Rennkraft , translated from German is