Seller notes

Product DescriptionFITMENTS:Subaru2015-2021 WRX2015-2021 STi Brand: CuscoManufacturer's Part Number: 6A1 561 ALHDUPC: 4996338694911 Manufacturer's Description:Brake Cylinder Stopper, designed to stablize the brake master cylinder. Upon hard braking, the sheet metal of the firewall to which the brake master cylinder is attached to, flexes immensely from hydraulic pressure and applied human pedal force. Works effectively with factory brake systems and or upgraded units. This modification will effe...

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