Subaru Impreza 34mm Piston Ram Dump ValveWe recommend servicing your valve every 3 years, or 20,000 miles, whichever comes sooner Alloy Atmospheric Ram Dump Valve available to fit the Impreza V4. Made from billet aluminium, this atmospheric diverter valve dumps the charge air to atmosphere creating the "Whoosh" sound most commonly associated with rally cars when the throttle is lifted. This increases both quicker throttle response and higher clamping load to maintain boost pressure more
Shopping security
Each payment you make on thelockerguy is secured with strict SSL encryption and PCI DSS data protection protocols