Keep oil temperatures low to maintain optimal driveline performance! Today's high performance automobiles require further care and tolerance against heat. Hot oil temps increase the risk of gear damage and seizure. The Cusco Transmission & Rear Differential Oil Cooler Kit for the Scion FR-S and Subaru BRZ were developed to promote healthy and eefficient gear life as well as preventing oil dissipation from extreme heat. This product is a must have for those who are running increased power output than factory more typically suited for high grip endurance racing situations. The cooling unit features a magnetized internal section where harmful metal debris is collected and deposited for disposal.