HKS Hipermax IV GT Coilover Kit 2015+ WRX STI Cold Air The FX1 Pro comes with

The FX1 Pro comes with three removable insert cushions

then wipe off with paper towels or Car Care Cloth

Simple ECU flashing with gauge package

Racing Brake Fluid 600 Factory Line

Material: High Quality Polyurethane (Unpainted Black)

HKS Hipermax IV GT Coilover Kit 2015+ WRX STI Cold Air The FX1 Pro comes withThe HKS Hypermax IV GT Coilovers have been crafted to provide superior handling, style, and looks to your vehicle. Here are some additional specs to the Hypermax IV GT Coilovers: Mono tube design which allows for better control which results in better ride quality when lowered. Dust boost installed on the shafts to protect from harmful road impediments. PNE Coating provided on the height adjustment components to prevent rust and corrosion buildup when