Fabspeed Porsche 718 GT4 / GTS / Spyder RENNKRAFT™ Modular Street and Racing Headers with HJS Catalytic Converters (2020+)

These modular RENNKRAFT® 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 “race power”. These unique headers offer true street and racetrack functionality in an innovative precision engineered package.  SOUND: Many have complained about the lack of sound with the new 718 4.0 Liter cars, these high flowing headers completely solve that issue. Equipped with our 200 cell cats, you will get a louder exhaust note with a much more raw sound. Higher frequency tones are more defined, and deceleration burbles are more robust and transparent. With the cat bypass pipes installed, you're in store for a sound much more akin to a 911 CUP car than a Porsche street car. The volume isn't overbearing, but the sound is v