Mishimoto’s direct-fit top-mount intercooler for 2008–2014 Subaru WRX improves charge-air cooling using cast aluminum end tanks and a dense bar-and-plate core. The 3.75" thick core and 584 in³ total volume are optimized for heat transfer and are stated to support vehicles up to 400 whp. The kit includes a silicone throttle-body coupler and O-ring gasket and installs without engine-bay modification.
Mishimoto 08-14 Subaru WRX Top-Mount Intercooler Kit - Powder Coated Silver & Red Hoses