Project Mu B-Force rear brake pads for 2017 Subaru WRX STI equipped with factory 6‑pot Brembo calipers. These pads are produced by Project Mu to match the OEM Brembo rear caliper configuration on the specified STI model year, providing a like-for-like pad replacement tailored to the factory six-piston rear braking system.
Project Mu 2017 Subaru STI w/ Factory 6 Pot Brembo B-FORCE Rear Brake Pads