Porsche Primary Muffler Bypass Pipe - 911 | 1989-1994 FS-POR-964-PMB N-010-391-4 Flange type: Centered

Flange type: Centered

ensuring enhanced performance and handling

including bearings of all types

designed for comfort and control

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

Porsche Primary Muffler Bypass Pipe - 911 | 1989-1994 FS-POR-964-PMB N-010-391-4 Flange type: CenteredPorsche 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