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 + Expected gains of up

+  Expected gains of up to 20 horsepower/torque

high quality T-304 austenitic stainless steel (superior to 400 series and aluminized steel) free flow exhaust utilizes its patented

Bring them wherever you go and turn them into staples of your driving experiences

EXCLUDE Convertible models

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 + Expected gains of upThese 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.