2015 21 Subaru WRX GrimmSpeed Garrett Performance Top Mount Intercooler 2015 2021 Subaru WRX FA20F 2.0L GrimmSpeed Top Mount Intercooler Kit Black 2015 21 Subaru WRX GrimmSpeed Front Mount Intercooler Kit 2015 21 Subaru STI. Garrett direct fit performance intercoolers are engineered for enthusiasts that want increased vehicle performance while maintaining OEM direct fit installation. Advanced CFD combined with bar and plate core technology provides lower intake temperatures, increases heat saturation point, and increases horsepower. This intercooler can handle 530 horsepower, so it will handle most bolt on FA20 engine setups. Features: Supports up to 530 horsepower 70 percent larger core than stock Installs in the stock location Adds up to 16 horsepower and 15 lb ft of torque Average 30 degree reduction in intake air temperatures Cast aluminum end tanks Advanced offset fin design Bar and plate construction Application: 2015 2021 Subaru WRX FA20F 2. 0L