Agency Power Performance Intercooler Kit Subaru STI 08+

As you step up the power level on your 2008+ Subaru STI , having proper cooling efficiency is mandatory to maximize your vehicles performance. Street and track cars will heavily benefit from the use of Agency Power's upgraded intercoolers. Agency Power has developed a 3.5" complete intercooler replacement kit for your Subaru STI with little modification needed to the front bumper to fit the new front mount design.

The bar and plate intercooler core is designed to provide maximum cooling efficiency. The end tanks are aluminum and precision welded to the thick racing upgraded cores. The front mount intercooler kit allows you to retain all stock equipment including the O.E.M Fog-lights and blow of valve. Agency Power recommends upgrading to an Agency Power Adjustable Blow off Valve.

The ends of the intercoolers are designed to work with the Agency Power Intercooler piping which consists of a (5) piece piping set that includes all couplers and clamps needed for install. The intercooler Dimensions are:
Length: 31"
Height: 8"
Thickness: 3.5"
Inlet/outlet: 3"

The intercooler pipes are available in black or red powder coat finish, with your choice of black or red couplers. Please select below.


All Agency Power products come with a LIMITED LIFETIME warranty when you fill out this form HERE.