APR Performance Air Inlet 9.25" x 4.75" with Flange (CF-109575) 15690 25-inch diameter on the hot

25-inch diameter on the hot side

These gains are not achieved through MAF trickery either

These units offer a very consistent operation whether being raced or daily driven

Rear Brake Cooling Kit

APR Performance Air Inlet 9.25" x 4.75" with Flange (CF-109575) 15690 25-inch diameter on the hotThe 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 (not included purchase hoses from your favorite racing supply shop), the APR