2015-2021 Subaru WRX / STI

Excessive heat can cause major and expensive  damage to critical components in a car. Engine bays, radiators, brakes, transmissions, and differenti...

APR Front Bumper Canards are the perfect answer to aerodynamically tune the handling for the front of a car. Made of lightweight and durable carbon...

APR Front Bumper Canards are the perfect answer to aerodynamically tune the handling for the front of a car. Made of lightweight and durable carbon...

The aerodynamic kit for the Subaru WRX/STI combines all the best aerodynamic upgrades into a single package. This package is designed to improve hi...

The APR Brake Cooling Ducts are aerodynamically-optimized to "funnel in" massive amounts of air. Also known as the venturi effect, when the vehicle...

Underbody components such as front air dams, undertrays, and rear diffusers are essential for maximizing aerodynamic performance. The APR Performan...

With a span of 67 or 61 inches and a height of 13 inches, the GTC-300 is an adjustable wing that means serious business. The GTC-300 3D airfoil sha...