The GiroDisc rear caliper rebuild kit for 2004–2007 Subaru Impreza WRX STI (requires trimmed rear pads) refreshes rear caliper operation and serviceability. Specified for these model years, the kit provides the parts needed to rebuild the caliper to correct fitment; note the application requires trimmed rear pads as indicated, making it suitable for owners and shops aware of that service detail.
GiroDisc 04-07 Subaru Impreza WRX STI (Requires Trimmed Rear Pads) Rear Caliper Rebuild Kit