Solid Subframe Bushings FRS Proton systems now contain a

Proton systems now contain a new and improved nitrous / fuel module that is capable of producing up to 250 horsepower to the wheels

Fitment:  Scion FR-S / Toyota 86/GR86 / Subaru BRZ 13+

One Less Failure Point on Track Day

GT300 (RX-7) with the racing brake pad Racing 999 for super sprint which was developed by the practice test (triple nine)

Solid Subframe Bushings FRS Proton systems now contain aSPL Solid Subframe Bushings (SSB) for the GT86 BRZ FR S replace the aging, soft rubber subframe mounting bushings to eliminate subframe movement and offer shims to alter the rear anti squat percentage and correct the rear roll center. All of the rear suspension and drivetrain components are mounted to the subframe, which is then mounted to the chassis, meaning all rear cornering, accel, and brake loads interact through the subframe bushings. These