Fabspeed Porsche 981 Boxster / Cayman RENNKRAFT® US PATENTED Modular Headers with HJS Catalytic Converters (2013-2016) - FS.POR.981.MH.SC Choose your Configuration:Sport Cat + Cat Bypass Pipes fit OEM 570S / 570GT

fit OEM 570S / 570GT / 540C airboxes for improved airflow and performance

Replace your inefficient stock headers with Fabspeed's high flow sport headers that retain cabin heat functionality

CONSTRUCTION:  Each component is built in house out of mandrel bent

000 RPM we saw consistent gains on our DynoJet

Fabspeed Porsche 981 Boxster / Cayman RENNKRAFT® US PATENTED Modular Headers with HJS Catalytic Converters (2013-2016) - FS.POR.981.MH.SC Choose your Configuration:Sport Cat + Cat Bypass Pipes fit OEM 570S / 570GTThese CAD designed and USA Patented modular headers are the perfect solution for any Cayman or Boxster owner looking for maximum increased power and sports car sound. Our patented RENNKRAFT modular design features a quick release V band connector that allows the owner to easily swap between our HJS German Imported European Certified European Homologated 200 cell cats and a cat bypass straight pipes for Race Track real Competition ONLY. RENNKRAFT,