IPD 997.1 Carrera S 3.8L 74mm Plenum ('05-'08) (97174-3.8) 1809 Cat Bypass Pipes

Cat Bypass Pipes

Uses stock hardware for mounting

reducing the ""push"" effect

Engine Covers are finished with UV-stable

Description_SHO EBC Racing Disc Ring

IPD 997.1 Carrera S 3.8L 74mm Plenum ('05-'08) (97174-3.8) 1809 Cat Bypass PipesWorks with Factory 74mm Throttle Body The 997 marked Porsche's return to the round headlights and curvaceous fenders reminiscent of the 993 and earlier era Carreras. Although the 997's picturesque styling is another milestone in Porsche design history there is still room for improvement in the engine performance department. The IPD "Y" design plenum replaces the factory "T" style air distributor and provides substantial power and torque gains by means