Girodisc Audi 374mm Front Replacement Rings PORSCHE_981 and integrate velocity stack to

and integrate velocity stack to maximize airflow

increased rev limit

for the ultimate in performance and reliability

We recommend torquing the bolt

Feed your SF Intake cold air using the Subaru factory snorkel

Girodisc Audi 374mm Front Replacement Rings PORSCHE_981 and integrate velocity stack toOur 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.