Perrin Master Cylinder Brace | 2015-2021 Subaru WRX/STI (PSP-BRK-403)

Perrin Performance
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15-21 WRX/STI Master Cylinder Brace by Perrin Performance

The PERRIN Master Cylinder Brace eliminates the flex at the firewall, so you feel nothing but solid pedal feedback with every application of the brakes.

The PERRIN Master Cylinder Brace is designed to attach strategically to multiple points on the shock tower. This helps reduce flex in the brake master cylinder by creating a solid connection between it and the chassis.

The PERRIN Performance Master Cylinder Brace for the 2015 WRX/STI is CNC machined from a large piece of 6061-T6 billet aluminum for extreme stiffness. With stainless steel hardware and an anodized finish, the PERRIN Master Cylinder Brace will look great and last the life of the car, even in the harshest conditions.

Features

  • 6061 Billet Aluminum Construction
  • Anodized Black Finish
  • Eliminates Flex at the Firewall
  • Adjustable, Lockable Bolt-on Design
  • Stainless Steel Hardware

Benefits

  • Improved, Solid Pedal Feedback
  • Much Stiffer and More Durable than Stock
  • Resistant to The Elements
  • Long Lasting

Please Note:

  • WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

Applications

  • 2015 - 2021 Subaru WRX
  • 2015 - 2021 Subaru WRX STI

What's In The Box?

  • 1 - PERRIN Master Cylinder Brace
  • All Necessary Hardware
  • Installation Instructions
  • Warranty Information
  • Stickers

Installation Instructions

Warranty

  • Perrin Performance 5-Year Limited Warranty

Customer Reviews

Based on 3 reviews
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M
M
Actually makes OEM pads acceptable

Fairly easy install. It really takes the slop out of master cylinder movement. Brake feel is improved to the point where even OEM pads seem easier to modulate. Highly recommended.

D
D.M.
Necessary & Worth it

One of the best bang for your buck mods on a 15+ WRX. My car has the 4-pot Brembos. From the factory, the pedal is soft and doesn't provide great feedback in any driving situation. Pressure is also inconsistent when stock. Adding this brace takes some doing since it's in tight quarters (plan on 2-3 hours if you're not particularly handy), but it is 100% worth it. The brake pedal is much firmer now with consistent and good feel. The difference is night and day. Don't bother with reviews, just get the thing and enjoy your car!

S
SETH G.
Fits 2013-2017 Crosstrek

Takes out all the firewall flex when stomping hard on the brakes. Makes a great addition to the Mann Engineering SS brake line kit I recently installed.