Agency Power has just released all new Boost Recirculation Valves (BRVs) for the Porsche 997 VTG Turbochargers.  The pair of valves are designed using a piston and spring for better boost response and longevity compared to the OEM units.  The pair of valves is all CNC machined aluminum and available in anodized black or blue with the AP logo laser engraved.  These are sold as a pair and retail for $275.  Read more info on the Agency Power Boost Recirculation Valves Here.