Perrin PSP-TAC-600RD Recirc Blow Off Valve for 2002-2007 WRX / 2004-2021 STI

Vehicle Fitment

• 2002-2007 Subaru WRX (All trims, 2.0L Turbo, AWD)
• 2004-2021 Subaru WRX STI (All trims, 2.5L Turbo, AWD)

Features

• Adjustable relief pressure for customizable venting
• Adjustable flow control to fine-tune air release volume
• Large 1.225" inlets and outlets prevent compressor surge
• Fully recirculating design maintains proper air-fuel ratio
• Direct bolt-on installation with included hardware
• Pre-set from factory; no initial adjustment required
• Low-maintenance design with easy disassembly
• Durable anodized red finish for corrosion resistance

Specifications

• Body Material: CNC machined 6061 aluminum
• Cap Finish: Black anodized
• Inlet/Outlet Size: 1.225"
• Spring: Stainless steel
• Compatibility: 2002-2007 WRX, 2004-2021 WRX STI

Included Components

• 1x Perrin Recirculating Blow Off Valve (Red)
• 2x M8x25mm stainless steel socket cap screws
• 1x 28" 1/2" fuel hose
• 1x 1' 1/4" hose
• 1x 1/4"-1/4" connector
• 1x 1/2" straight connector
• 1x 1/2" tee
• 1x 1/16" Allen wrench
• 1x 8" zip tie
• Installation instructions

Product Description

The Perrin PSP-TAC-600RD Recirculating Blow Off Valve is engineered to enhance the performance and reliability of your Subaru WRX or WRX STI. By replacing the factory blow off valve, this unit offers adjustable relief pressure and flow control, allowing for precise tuning to match your driving style and boost levels. The large 1.225" inlets and outlets ensure efficient airflow, preventing compressor surge and maintaining optimal turbo response.

Constructed from CNC machined 6061 aluminum and finished with a durable red anodized coating, this blow off valve is built to withstand the rigors of high-performance driving. Its fully recirculating design maintains the proper air-fuel ratio, ensuring smooth operation and drivability. Installation is straightforward with the included hardware and instructions, making it a valuable upgrade for enthusiasts seeking improved throttle response and turbo efficiency.