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. In The Box: 1 x FMDVRMR Valve 3 x M6 x 16 Socket Cap Bolts 1 x Forge Sticker If you wish to tune this product to fit the needs of your engine, please see the spring tuning kit below.
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