Girodisc Porsche 991 Cup, GT4 Clubsport Rear Replacement Rings (380x30) 20-0259 MX72 is Endless's standard street

MX72 is Endless's standard street and circuit compound - low dust and noise with strong

These aggressive-looking tips fill the factory exhaust cutouts for that high-end sporty look

A great deal of sportiness is added to the tune while maintaining factory smoothness and driveability that you love about the S4

Both cans mount using factory holes and integrate cleanly with the surrounding components

Girodisc Porsche 991 Cup, GT4 Clubsport Rear Replacement Rings (380x30) 20-0259 MX72 is Endless's standard streetOur 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.