Porsche F1 Replacement Air Filter - 911 | 2017-2019 FS-POR-9912-BMC 958-341-053-03 The main reason why these

The main reason why these units are failing is because of the introduction of ethanol into gasoline which degrades the rubber Diaphragm or membrane as its sometimes known

911 Speedster (1994) and 911 Turbo (1991-1994) models

both indoors and outdoors

Please note AOS connections/lines and routing require customization/modification when fitting the Motorsports AOS

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