Fabspeed Porsche 997.2 Carrera RENNKRAFT® Modular Headers with HJS Catalytic Converters (2009-2011) - FS.POR.9972.MH.SC Choose your Configuration:Sport Cat + Cat Bypass Pipes The bulbs are Plug-N-Play and

The bulbs are Plug-N-Play and fit directly in the sockets as a replacement bulb would

This model is available in natural and Black Ice finishes

Simple direct bolt-on replacement tips for the boring OEM F8 tips

+  Expected gains of up to 20 horsepower/torque

Fabspeed Porsche 997.2 Carrera RENNKRAFT® Modular Headers with HJS Catalytic Converters (2009-2011) - FS.POR.9972.MH.SC Choose your Configuration:Sport Cat + Cat Bypass Pipes The bulbs are Plug-N-Play andThese modular headers are the perfect solution for any Porsche 911. Our United States 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 ONLY. RENNKRAFT, translated from German is race power. These unique headers offer true street and racetrack functionality in an innovative precision engineered package.