Fabspeed Porsche 718 GT4 / GTS / Spyder RENNKRAFT® Modular Street and Racing Headers with HJS Catalytic Converters (2020+) C8 Z06 The more efficient design of

The more efficient design of the IPD Plenum will always outperform the factory air distributor

CAD designed and CAD flow developed

If you are curious about the odd dip at around 5700rpm

HELICAL exhaust valves are the 1 and ONLY exhaust valve that any GT4RS or BUYER should allow to be used on their exhaust

100% Complete BOLT-ON conversion - includes 4

Fabspeed Porsche 718 GT4 / GTS / Spyder RENNKRAFT® Modular Street and Racing Headers with HJS Catalytic Converters (2020+) C8 Z06 The more efficient design ofFabspeed 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