StopTech four wheel Big Brake Upgrade for the 2003 Subaru WRX. The kit includes ST-40 4-piston front calipers painted red, black, or silver, ST-22 2-piston opposed billet rear calipers painted red, black, or silver, 7075-T6 billet aluminum caliper mounting brackets, 328x28mm slotted, floating, front AeroRotors, 328x28mm slotted, floating, rear AeroRotors, 7075-T6 billet aluminum AeroHats with directional standoffs, StopTech SS (DOT compliant) front and rear brake lines, Axxis Ultimate front brake pads, and Hawk HPS rear brake pads. Requires 17 inch or larger wheels, however not all 17 inch wheels will fit.

FOUR WHEEL KIT
FRONT: 328 x 28 mm Rotor/ 4 Piston Caliper
FRONT: 332 x 32 mm Rotor/ 4 Piston Caliper (optional)
REAR: 328 x 28 mm Rotor/ 2 Piston Caliper