Perrin Bypass Valve Kit Black (PSP-TAC-600BK) | Subaru WRX 2002-2007 / STI 2004-2021

The Perrin Bypass Valve Kit offers improved boost control, quicker response, and increased reliability compared to the factory plastic unit.

KEY FEATURES

• Aluminum construction for long-term durability
• Faster boost recovery between shifts
• Black finish maintains a clean OEM-style engine bay look
• Adjustable design for various boost levels
• Direct bolt-on replacement for the factory valve

VEHICLE FITMENT

• Subaru WRX (2002–2007)
• Subaru STI (2004–2021)

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