APR Performance Brake Rotor Cooling Kit (CF-805658) 15330 and part throttle response to

and part throttle response to improve overall driving performance

Ant-Slip machining on the barrel to prevent tire-to-wheel rotation

This exhaust system is engineered using state-of-the-art technology and the finest materials

2001-2006 BMW 325i L6-2

APR Performance Brake Rotor Cooling Kit (CF-805658) 15330 and part throttle response toThe 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