Turbosmart TS-0203-1015 Kompact Dual-Port BOV for 02-21 Subaru WRX/STI/Forester

Vehicle Fitment

• 2002-2007 Subaru WRX (2.0L I4, AWD)
• 2004-2021 Subaru WRX STI (2.5L H4, AWD)
• 2006-2007 Subaru Forester XT (2.5L H4, AWD)

Features

• Dual-port (50% vent-to-atmosphere, 50% recirculating) valve operation
• Billet aluminum housing for strength and heat resistance
• Lightweight alloy piston for fast response and turbo hold
• Compact Kompact profile - ideal for tight bay layouts
• Quiet recirculation during low boost, vent-to-atmosphere sound at peak
• Direct bolt-on replacement using factory flange
• Helps eliminate compressor surge and preserve boost
• Precision-machined and hand-assembled in Australia

Specifications

• Valve Type: Dual-port blow-off valve (50/50 split)
• Material: CNC billet aluminum anodized black
• Mounting: Stock flange, includes gasket & hardware
• Suitable for stock-to-mild mods turbo systems
• Pressure Capability: Maintains boost-to-turbo spool integrity
• Weight: Lightweight compact design (exact weight not stated)

Included Components

• 1x Turbosmart TS-0203-1015 Kompact Dual-Port BOV
• 1x OEM flange gasket and mounting hardware
• 1x Installation instructions

Product Description

The Turbosmart Kompact Dual-Port Blow-Off Valve (TS-0203-1015) is engineered as a direct bolt-on upgrade for Subaru WRX, STI, and Forester XT models spanning 2002-2021. Its compact profile and dual-port design deliver both daily drivability and dynamic auditory feedback: quiet recirculation in daily driving, and a satisfying vent-to-atmosphere hiss under high boost conditions :contentReference[oaicite:1]{index=1}.

Constructed from precision-machined billet aluminum and equipped with a lightweight alloy piston, this BOV enhances turbo response, eliminates compressor surge, and maintains boost integrity. Installation is simple - a direct swap using factory mounting hardware and flange. Ideal for stock to lightly modified turbo setups, it enhances performance while preserving engine bay space.