Carbon Fiber Subaru STI Brake Cooling Kit 2015-2017 4 series This is a genuine widebody

This is a genuine widebody conversion and is not a basic bolt-on cosmetic package

Largest Core On The Market

The tank is designed to be a direct fit replacement

Multiple complete-kit versions available

Carbon Fiber Subaru STI Brake Cooling Kit 2015-2017 4 series This is a genuine widebody****STI Only*** The 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 frontal area into the smaller pipe section of the brake duct. When matched with appropriate high temperature air duct hoses, the APR Brake Cooling Ducts will help to channel in large