The Brembo GT big brake kit for 2004–2017 Subaru WRX STi front fitment is a 4-piston cast caliper package with two-piece 355 x 32 mm rotors in a slotted Type-1 finish and red paint. This front kit includes serviceable two-piece rotors and cast 4-piston calipers sized to WRX STi front mounting, supplied as a direct-fit option when larger brake hardware is required.
Brembo 04-17 WRX STi Front GT BBK 4 Piston Cast 2pc 355x32 2pc Rotor Slotted Type1-Red