Piston Recirculating Valve for Subaru Impreza 2001 Onwards Seat > Leon > Mk2 2005-2012 > 1.2 TSI 2009-2012 They are then hand polished

They are then hand polished or anodised black for the stealthy appearance

unless some other method of noise pipe removal has already been employed such as as DIY plug solution or a replacement intercooler pipe that bypasses this connection altogether

This atmospheric blow off valve dumps the charge-air to atmosphere creating the "Whoosh" sound when the throttle is lifted

This actuator is designed for the Ford Sierra Cosworth (two wheel drive version) or the Ford Escort RS turbo

Designed as a direct replacement for the OEM valve which is prone to failure when the engine has been tuned or had an upgrade to the engine management software

Piston Recirculating Valve for Subaru Impreza 2001 Onwards Seat > Leon > Mk2 2005-2012 > 1.2 TSI 2009-2012 They are then hand polishedWe recommend servicing your valve every 3 years, or 20,000 miles, whichever comes sooner Alloy Recirculating Valve available to fit the Impreza 2001 onwards models including the 2009 GR Sti. Made from billet aluminium, 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.