Forge Motorsport Performance Piston Ram Closed Loop Dump Valve (Flange Mounted) Fits Subaru Impreza V5. Brand New Genuine Forge Motorsport Performance Parts & Accessories. Alloy Recirculating Ram Dump Valve, flange mounted available to fit the Impreza V5. 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. If you wish to tune this product to fit the needs of your engine, please see the spring tuning FMDVTUN. We recommend all parts are fitted by a qualified mechanic to ensure the correct fitment, though this kit does include fitting instructions. See our shop for other Forge products plus 1000s more Performance Parts. Forge Piston Ram Closed Loop Dump Valve (Flange Mounted) Fits Subaru Impreza V5. Made with in Great Britain. Template Managed & Developed by Dev VIP. The item "Forge Piston Ram Closed Loop Dump Valve (Flange Mounted) Fits Subaru Impreza V5" is in sale since Sunday, March 8, 2020. This item is in the category "Vehicle Parts & Accessories\Car Tuning & Styling\Air Intake & Induction\Dump, Bypass & Blow-Off Valves". The seller is "part-werx" and is located in UK. This item can be shipped worldwide.