Girodisc Ferrari 360 Challenge Front Rotors AUDI_A4_B8 With a massive 400mm flow

With a massive 400mm flow length (almost double the factory unit) and a not too thick 90mm bar and plate core an effective top mount is now here

12 seconds

*All sound clips are on a Stage 2 vehicle with IE cold air intake and intercooler installed

Iridium-alloy centre electrode and platinum ground electrode for a strong

Increased Induction Sound

Girodisc Ferrari 360 Challenge Front Rotors AUDI_A4_B8 With a massive 400mm flowThis Girodisc system is a direct replacement for the OE disc. No modifications are necessary. The assembly will bolt directly to your car and work with OE calipers and pads perfectly. The central hat section of our rotor is made from strictly U. S. sourced 6061 T6 aircraft specification aluminum. The disc is made from our own proprietary cast iron, poured in the USA and machined from start to finish in house at Girodisc. The rotor utilizes a curved