Prova STi Brake Duct kit is a good way to help reduce brake temperatures with out having to run direct air duct hoses to the caliper. These units mount to the lower control arm, ensuring stability, and a way to grab high speed air from under the car and redirect it towards the brakes.

Items are made out of light weight dry carbon, ensuring strenght and light weight.

Only works on STi model cars that are factory equipped with aluminum lower control arms.