Porsche Pre-Muffler - Sport - 911 75-89 92-300S 911641202DX 912 (1965-1969)models and hardware is

912 (1965-1969)models and hardware is included

Porsche Exhaust valve for C2/C4 models (1989-1994)

(2005-2012)

Porsche Clutch fork kit for models with 741 transmissions

Porsche JÖRG burgundy knob for heater vent for 911/912 (1969-1971) and 914/914-6 (1970-1971) models

Porsche Pre-Muffler - Sport - 911 75-89 92-300S 911641202DX 912 (1965-1969)models and hardware isPorsche Dansk catalytic converter bypass test pipe for 911 models. This pre silencer has a great sport sound and will increase your horsepower by 10 12 (the pre muffler only fits single inlet muffler systems). *Legal in CA only for racing cars may never be driven on highway.