GrimmSpeed 4-Piston Brake Caliper Kit (326mm Rotor) - Gunmetal Gray - 2002-2021 Subaru WRX / STI PDM_suspension-height-adjustment A 3" and 2

A 3" and 2

The E46 M3's double-wishbone front suspension is one of the best front suspension designs of its era

The G200 is what we recommend for GD Subaru owners who want a genuine exhaust upgrade but use the car every day and don't want the N1's sound level on the morning commute

The rebuild kit is available separately for valve maintenance after extended use

GrimmSpeed 4-Piston Brake Caliper Kit (326mm Rotor) - Gunmetal Gray - 2002-2021 Subaru WRX / STI PDM_suspension-height-adjustment A 3" and 2The Braking Upgrade the WRX STI Factory Brakes Should Have Been The GrimmSpeed 4 Piston Brake Caliper Kit with 326mmmm Rotor in Gunmetal Gray for the 2002 2021 Subaru WRX STI is a purpose built, application specific brake upgrade designed and tested for Subaru platforms not a universal kit adapted to fit. Forged 6061 T6 aluminum caliper bodies, dual 44mm and 41mm pistons, Type 3 hard anodized heat managed pistons, and a complete kit that includes