Amber Performance are an Approved Forge Motorsport Reseller & Only sell 100% Genuine Forge Motorsport products. Recirculation Valve Renault Megane Volvo S40 V40 Hyundai Sonata Kia. This is a direct replacement recirculation valve that bolts directly to the turbo. It replaces the OEM diaphragm type valve with a piston design that allow for tuning with interchangable springs.For those running higher boost pressures after software tuning this really is a must to ensure that you do not lose boost through the valve. If you require your parts quickly then please check stock before ordering to avoid any unexpected lead time.