Will OEM 2008-17 STI Brembo 2-piston rear calipers (316 mm rotor) fit a Subaru WRX and STI (GE/GH/GR/GV, 2008-2014)?
Added · Updated
Short answer: Yes, with extra parts or work Limited
Verdict:Fits with mods Limited confidence (1 of 3) · 2 sources
Yes, with extra parts or work: Fits with a 5x100-drilled rotor, per one retailer: the black 2008-14 STI rear Brembo bolts straight onto a 2008-14 WRX rear, but it needs a special STI-size rear rotor drilled for the WRX's 5x100 hub.
Safety-critical part. Manufacturer sources are cited, but they disagree or are incomplete for this fitment, so this entry is held below "Confirmed". Have the work done or checked by a qualified professional and confirm figures and part numbers against the service manual or the manufacturer.
| Part | OEM 2008-17 STI Brembo 2-piston rear calipers (316 mm rotor) |
|---|---|
| Vehicle | Subaru WRX and STI (GE/GH/GR/GV, 2008-2014) |
| Years | 2008-2014 |
| Trim / condition | WRX (standard on STI) |
| Verdict | Fits with mods Fits with extra parts or work |
| Confidence | Limited 1 of 3 — Forum, Reddit or anecdotal report, or ambiguous/partial detail. Treat as a lead to research. |
| Last verified | 2026-10-26 (date the cited sources were last read) |
Details
Fits with a 5x100-drilled rotor, per one retailer: the black 2008-14 STI rear Brembo bolts straight onto a 2008-14 WRX rear, but it needs a special STI-size rear rotor drilled for the WRX's 5x100 hub. The factory WRX rear is a smaller solid 286 mm rotor (2012 manual).
Specs
- rotor mm: 316 x 20 ventilated
- wheel class: 17-inch type
Related build entries
Other brakes fitment for the GE/GH/GR/GV
- OEM 2008-14 WRX front brake (floating caliper, 294 mm rotor) — Specification Factory spec
- OEM 2008-17 STI Brembo 4-piston front calipers (326 mm rotor) — Fits with extra parts or work Fits with mods
- OEM 2018-19 STI Brembo 6-piston front calipers (340 mm rotor) — Fits with extra parts or work Fits with mods
- 2004-2007 STI front Brembo calipers — Fits with extra parts or work Fits with mods
- 2004-2007 STI rear Brembo calipers — Fits with extra parts or work Fits with mods
This part on other generations
- Subaru WRX and STI (VA, 2015-2021) — Fits with extra parts or work Fits with mods
More for this car
- All Subaru WRX and STI (GE/GH/GR/GV, 2008-2014) fitment answers · GE/GH/GR/GV common problems
- Newsletter archive: past issues with every new and corrected entry
Sources
- STi Brembo Brakes — FastWRX.com (Mach V Motorsports, Subaru parts retailer) (vendor article; read 2026-10-26; full page read)Black 2008-14 STI rear calipers bolt on directly with special drilled rotors.
- 2012MY Impreza WRX & STI service manual G1130BE (book 12STI_US, 2011-08-23) — Subaru (Fuji Heavy Industries) (mfr spec; read 2026-10-26; full page read)STI rear opposed 316 x 20; WRX rear 286 x 10 solid.
Summaries are in our own words. Fitment is not guaranteed — disclaimer.
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