Girodisc Audi 374mm Front Replacement Rings PORSCHE_981 CNC Machined Secondary Air Flow

CNC Machined Secondary Air Flow Breather Adapter

We studied our competitors products and fixed all of the mistakes they have made

Volkswagen Golf GTI Mk 4 (1997 - 2004)

We recommend torquing the bolt

Feed your SF Intake cold air using the Subaru factory snorkel

Girodisc Audi 374mm Front Replacement Rings PORSCHE_981 CNC Machined Secondary Air FlowOur replacement rings are sold in pairs and include replacement hardware. The only parts you will reuse are your existing GiroDisc hats. Please note that unless specifically noted, GiroDisc replacement rings are only designed to work with GiroDisc hats. They are not designed to be used with other brands, including hats from cars equipped with 2 piece rotors from the factory.