Porsche Primary Muffler Bypass Pipe - 911 | 1989-1994 FS-POR-964-PMB N-010-391-4 Porsche Brake Booster Check Valve

Porsche Brake Booster Check Valve For 911 (1965-1989)

thus increasing the engine service life

The screwdriver has a hexagon blade with a wrench adapter

Flange type: Centered

Porsche Primary Muffler Bypass Pipe - 911 | 1989-1994 FS-POR-964-PMB N-010-391-4 Porsche Brake Booster Check ValvePorsche Primary Muffler Bypass Pipe For Porsche 964 Carrera (1989 1994) Models. Fabspeed Primary Muffler Bypass Pipe This straight through pipe directly replaces the heavy and restrictive factory Porsche OEM primary CENTER muffler with a Porsche Motorsports Carrera CUP style design. This CUP primary muffler bypass pipe significantly enhances sports car sound, noticeably increases horsepower, and reduces weight from an ideal location at the rear of the