Perrin Throttle Body Hose Black (PSP-ITR-301BK) | Subaru WRX 2002-2007 / STI 2004-2021 / Forester XT 2004-2008

The Perrin Throttle Body Hose Black improves throttle response and airflow stability by replacing the aging factory rubber hose with a multi-layer silicone upgrade. It prevents expansion under boost for consistent performance.

KEY FEATURES

• Multi-layer silicone construction prevents ballooning
• Improves throttle response and airflow consistency
• Resists oil absorption and long-term degradation
• Provides a tighter, leak-free seal than OEM hoses
• Direct OEM-fit installation

VEHICLE FITMENT

• Subaru WRX (2002–2007)
• Subaru STI (2004–2021)
• Subaru Forester XT (2004–2008)

Perrin products are engineered for precision Subaru performance and long-term reliability.