Description
040” / 1
greater durability and increased horsepower and torque through the power band
thereby increasing exhaust gas velocity and greatly improving scavenging potential
Improves cornering and driver feedback
GDA) 1995-01 Subaru Impreza
Forge Recirculating Race Blowoff Valve Subaru WRX 2002-2007 / STI 2004-2021 Vehicle Make_Mitsubishi 040” / 1Part #: FOM FMDVSUB03 Forge Alloy Recirculating Valve available to fit the Impreza WRX and STI Made from billet aluminum, this recirculating diverter valve dumps the charge air back into the air intake system keeping external noise to a minimum. This increases both quicker throttle response and higher clamping load to maintain boost pressure more reliably. Gives you the sound you want, but keeps the performance! when increasing boost this is needed.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy















![SIONYX Illuminator Kit [K011700] Winterizing | Oil Change Systems](https://cdn.shopify.com/s/files/1/0550/4407/9795/products/93544XL.jpg?v=1762963921)








