APR Performance - Subaru WRX/STI Brake Cooling Ducts 15-17 gt3 cup 4 (245 lbs/inch)Rear (kg/mm): 5

4 (245 lbs/inch)Rear (kg/mm): 5

75 Inch (v6)/ 1 Inch (v8)ARK Performance offers high quality lowering spring kits that provide a clean drop

This Front Air Dam also utilizes a built-in aerodynamic splitter design that creates a high-pressure region of air atop the protruding surface

MoTeC is proud to officially release their new PNP ECU kit for Nissan GT-R’s

Cold valve

APR Performance - Subaru WRX/STI Brake Cooling Ducts 15-17 gt3 cup 4 (245 lbs/inch)Rear (kg/mm): 5The APR Brake Cooling Ducts are Aerodynamically optimized to "funnel in" massive amounts of air. Also Known as the venturi effect, when the vehicle speed increases, this funneled in air increases in both pressure and velocity as it passes from the larger fontal area into the smaller pipe section of the brake duct. When matched with appropraite high temperature air duct hoses (not included purchase hoses from your favorite racing supply shop), the APR