GrimmSpeed master cylinder brace review for Subaru BRZ and Scion FR-S

Grimmspeed MCB BRZ FRS header

  A master cylinder brace (MCB) is one of cheapest and noticeable modifications you can install on your car. But what is it and how exactly does it work? Basically, a MCB prevents the firewall from flexing and moving the master cylinder under hard braking. The master cylinder is responsible for changing your foot pressure into… Continue reading GrimmSpeed master cylinder brace review for Subaru BRZ and Scion FR-S