GrimmSpeed Master Cylinder Brace - 02-07 WRX/STI

This is the GrimmSpeed Master Cylinder Brace. This master cylinder brace is the result of countless invested hours of research to solve a prevalent issue of firewall flexing under braking in your vehicle. If you participate in high-performance driving conditions or even the occasional spirited canyon run, then you may have experienced the unnerving factory firewall structural flaw that leaves much room for improvement. Thankfully, GrimmSpeed has provided the performance enthusiast with a quality solution designed to improve the overall brake pedal feel and performance of your vehicle. 

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