StopTech Street Axle Pack Slotted Rear Brake Kit Subaru STI 2008-2017 | 937.47511 GTR_1989-1994 The GrimmSpeed Intake adds an

The GrimmSpeed Intake adds an additional performance increase by reducing pre-turbo restriction

The shifter bushing is solid brass with specifically placed O-rings which eliminate slop but allows for natural drivetrain movement

The kit also includes a streamlined anodized aluminum collector box

The ISR Performance Cold pipe is direct replacement of the ISR Performance or Greddy style Intercooler Kit Cold Pipe for the S13 SR20DET

StopTech Street Axle Pack Slotted Rear Brake Kit Subaru STI 2008-2017 | 937.47511 GTR_1989-1994 The GrimmSpeed Intake adds anFitment Information: 2008 2017 Subaru STI Features: The Stoptech street axle pack rear brake kit for your STI will significantly improve your braking performance with low dust and noise. StopTech street axle pack kits are ideal for daily driving and aggressive street or track use. Slotted rotors are machined to prevent cracking and deliver improved consistency Street brake pads are very quiet, creating little to no extra sound Rotors have a black e