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The Brembo Big Brake Kit for 2008–2014 Subaru WRX STI rear upgrades the rear braking with four-piston billet calipers and two-piece 345×28 mm slotted Type 1 rotors in a nickel finish. This rear kit is specified for WRX STI applications and includes billet 4‑piston calipers and two‑piece rotors as a direct replacement, providing a clear hardware upgrade while keeping installation straightforward.
Brembo 08-14 WRX STI Rear GTR BBK 4 Piston Billet 345x28 2pc Rotor Slotted Type1 - Nickel
