PERRIN PSP-INT-401BK Turbo Inlet Hose for SUBARU IMPREZA WRX / WRX STi 2002–2007 / Forester XT 2004–2008

Description PERRIN PSP-INT-401BK Turbo Inlet Hose for SUBARU IMPREZA WRX / WRX STi 2002–2007 / Forester XT 2004–2008

The PERRIN PSP-INT-401BK Turbo Inlet Hose is engineered from multi-layer silicone with integrated stainless steel reinforcement, delivering superior airflow and structural rigidity compared to OEM components. Featuring a smooth internal surface and an increased internal diameter, this hose eliminates restrictive pleats found in factory designs, enabling greater airflow to the turbocharger. The result is improved horsepower, reduced turbo spool time, enhanced throttle response, and quicker acceleration. A machined aluminum insert ensures a secure blow-off valve connection, while large high-flow spigots and heat-resistant reinforced nylon connectors withstand extreme engine bay temperatures. Available in black, red, or blue.

• Optimized internal diameter and smooth interior for improved airflow
• Stainless steel wire reinforcement prevents collapse under high boost
• Machined aluminum insert for secure blow-off valve connection
• High-flow spigots with heat-resistant reinforced nylon connectors
• Available in multiple color finishes