Porsche F1 Replacement Air Filter - 911 | 930 | 1976-1993 FS-POR-911T-BMC-1 Add a BMC Filter Cleaning Kit?:None External Diameter of Ring (d):

External Diameter of Ring (d): 11

Ideal for PSE (Porsche Sport Exhaust): Maximize the potential of your Porsche Sport Exhaust system

ensuring reliable performance under all conditions

Please note this item does not fit models with the M340 ceramic brake disc

it allows hot water or steam to flow to the heating system

Porsche F1 Replacement Air Filter - 911 | 930 | 1976-1993 FS-POR-911T-BMC-1 Add a BMC Filter Cleaning Kit?:None External Diameter of Ring (d):Porsche F1 Replacement Air Filter For Porsche 911 Turbo (1976 1989), 964 Turbo (1991 1993) Models. Features: Reusable: The filter can be washed and used again, extending its lifespan. Maintains Performance: Being re oilable ensures the filter continues to provide optimal airflow and filtration. Durable: Designed to be a lifetime filter for the vehicle. Returns subject to a 25% restocking fee.