EBC Ultimax OE Style Disc Kit (RK7710) 1641 airflow is restricted by the

airflow is restricted by the size of the filter in the factory airbox

Disc surfaces doubled for better wear

With the added stability that air springs provide

Special Comments: Cast iron rotor only 2008 Porsche Boxster S Engine: 3

Cooler air carries more oxygen

EBC Ultimax OE Style Disc Kit (RK7710) 1641 airflow is restricted by theEBC Premium OE Replacement Brake Rotors GEN 3 EBC Brakes are quickly switching to its latest Gen 3 silver grey disc rotors. All disc rotor materials and drill or slot patterns will remain the same except the base rotor will be Silver Grey. This new surface coating is a highly corrosion resistant rust prevention coating and is now on all current production of EBC Brake rotors. New GEN 3 Silver Grey Rotors and the Logic Behind It In the past few years,