Mishimoto has developed a silicone intercooler hose kit for the 2001-2005 Subaru WRX. Mishimoto Silicone Intercooler Hoses combine high-grade silicone with heat-resistant embedded fibers to handle high temperatures and additional boost pressure. Each hose has a smooth interior surface to deliver increased airflow to the WRX top mount intercooler. Mishimoto uses four hand-wrapped layers of silicone fortified with heat-resistant fibers in the intercooler hoses for the WRX ensuring a lifetime of durable performance. Mishimoto Silicone Intercooler Hoses for the Subaru WRX are engineered for a direct OEM fit. The kit includes a Y hose a throttle body coupler and a hose to connect the blow-off valve to the turbo inlet. The hoses are available in black blue and red to customize the style of your engine bay as you upgrade performance.