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Vehicle Fitment:
2015-2021 Subaru WRX Rear
2005-2021 Subaru STi Rear
• Fits 5x114.3
(Does NOT fit 2002-2014 WRX)
(Does NOT fit 2022 WRX)
(Does NOT fit 2004 STi)
STM Rear Drag Brake Kits for 2015-2021 WRX and 2005-2021 STi allow you to ditch the weight of your big, heavy stock rotors and calipers and clears room to run 15" wheels and slicks for drag racing applications. We all know less rotating mass is the best way to free up power! This kit will save about 15 pounds of rotating mass overall.
More Info:
The STM brake kits include Wilwood calipers and your choice of standard rotor or the ultra lightweight scalloped rotor, custom STM aluminum mounting brackets, black anodized rotor hats, STM brake lines and all mounting hardware. The rotors will ship pre-assembled to the hats with safety wire as pictured.
The scalloped rotor is 1.15 pounds lighter than the standard rotor and is recommended for cars that see more miles on the drag strip than on the street. The scalloped rotor is not a street rotor.
Installed pics coming soon!
• This brake set-up is specifically designed for drag racing
• This is not intended for constant, on/off braking as in road-racing or autocross
• Will clear most 15" wheels
STM Weights:
STM Front Scalloped Kit (per side): 9.00 pounds
STM Front Standard Kit (per side): 10.15 pounds
Rear Scalloped Rotor: 5.60 pounds
Rear Standard Rotor: 6.75 pounds
Rear Caliper: 3.20 pounds
2015 WRX Stock Weights:
Stock Rear Kit: TBA
Rear Rotor: 9.5 pounds
Rear Caliper: 6.8 pounds
STM Rear Brake Kit Contents:
(2) STM Rotor Hats (STM-00-SUBI-FBH)
(2) STM Caliper Brackets (STM-15+WRX-R)
(1) STM Brake Lines (STM-02PLUS-WRX-RCL)
(2) Wilwood Rear Rotors (Standard 160-3202 or Scalloped 160-9772)
(2) Wilwood Rear Calipers (WIL-120-9688)
(2) Wilwood Street Brake Pads (150-9764K)
(2) Wilwood Hat Bolts (WIL-230-0150)
(4) M10x30 Bolts (FAS-1139619)
(4) M10 Washers (FAS-1140384)
IMPORTANT NOTES - For Drag Racing Only!
These brakes are designed for OFF ROAD USE ONLY and drag racing applications. They are NOT intended for consecutive, hard braking. These are not for road racing or autocross or daily street use. While these are also the same brakes we run on our STM 8 second cars, as with anything performance-oriented, please be sure to check and double-check every aspect for safety! Please use your discretion and drive safely.
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