Grimmspeed Top Mount Intercooler Thermal Dispersant Black- For Subaru 02-07 WRX 2004-21 STIGRM 090024 The bar has been raised. So, you probably already know that you want an intercooler with maximum cooling and minimum restriction, but when it comes to selecting the right one for the job, we think its important to understand why. As air is pressurized by your turbo, it heats up, not because of the heat of the turbocharger, but because of it being compressed, the atoms in the air are forced closer together and as a result, move faster and