Mishimoto has spent countless hours designing a direct bolt on Top Mount Intercooler on the 2002-2007 Subaru WRX/STI to replace the OEM unit that will provide optimal heat transfer, increased volume and reduces AITs. Each Top Mount Intercooler is precision engineered with cast aluminum end tanks to ensure proper flow increasing horsepower and lowering temperatures 30 degrees at 20-22 psi of boost. This specially designed Intercooler will add an extra 14hp and supports up to 350hp. Mishimoto includes Silicone bypass hose, silicone crankcase hose, bypass valve gasket, t-bolt clamps and all necessary hardware for a complete installation, no more fragile rubber hoses. Their unique single inlet design provides the airflow to properly disperse air through the bar and plate core.