StopTech Sport Slotted + Drilled Brake Rotor Rear Right Subaru STI 2008-2017 | 127.47030R FocusST_2013-2018 Lowers hydrocarbon emissions

Lowers hydrocarbon emissions

Part #: FW-110BK

which gives them about 1000% (that's ten times) better fatigue strength than those studs that are threaded prior to heat-treat (a very common industry practice)

By simply replacing the factory bushings with the Cusco unit

Great for cars with sensitive air flow meters as it can be tuned to vent just enough air back to the inlet to prevent backfiring

StopTech Sport Slotted + Drilled Brake Rotor Rear Right Subaru STI 2008-2017 | 127.47030R FocusST_2013-2018 Lowers hydrocarbon emissionsFitment Information: 2008 2017 Subaru STI Features: The StopTech slotted and drilled sport rotors are a direct factory replacement for your factory brakes. They offer significantly improved braking performance and look great behind your wheels. The unique cross drilling aids with heat and brake dust dispersal; prevents glazing of the pads; adds bite and improves wet and dry braking performance. Built to last; the black e coating provides protection