APR Performance Brake Cooling Ducts Subaru STI 2018-2021 Vehicle Make_Lexus The StopTech front and rear

The StopTech front and rear sport brake kit for your Evo 8 and Evo 9 is one of the simplest ways to greatly increase braking performance without having to upgrade to a larger caliper

5" thick bar-and-plate core

For the 2017 WRX

We saw an 11 - 12 horsepower peak gain and 32 horsepower gain throughout the mid-range over the factory intake system

When paired with Process West intercooler components

APR Performance Brake Cooling Ducts Subaru STI 2018-2021 Vehicle Make_Lexus The StopTech front and rearPart #: CF 801850 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 (not included purchase hoses from your favorite racing