They made sure that the PERRIN oil cooler would install seamlessly with most aftermarket intakes. This has been tested to work with the stock intake, PERRIN CAI, Vortech SC.
Oil temp makes a big difference in your FR-S or BRZ's ability to to make consistent horse power. We have learned that your factory engine oil temps can get out of control which can lead to loss of power and major engine failures. The PERRIN Oil Cooler will keep your temps in check and your HP consistent. Consider a PERRIN oil cooler to be one of the main building blocks to your BRZ/FR-S.