Porsche Pre-Muffler - Sport - 911 75-89 92-300S 91455910110 Porsche Series resistor for oil

Porsche Series resistor for oil cooler and A/C condenser fan for 993 (1995-1998) and C2/C4 models (1989-1994)

The pre-pump improves fuel flow

It measures 100mm by 30mm

Use a hacksaw or razor knife to cut off sections of the bushings parallel to the torsion bar and to slice away any remaining rubber stuck to the bar

Porsche Pre-Muffler - Sport - 911 75-89 92-300S 91455910110 Porsche Series resistor for oilPorsche 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.