GFB Diverter Valve DV+ Volkswagen TSI/TFSI w/Pierburg Diverter ValveLike all valves in the DV+ family, the T9381 offers significant benefits over factory fitted electronic diverter valves sharper throttle response, faster boost recovery on gearshift or brief throttle lifts, improved boost holding, and unrivalled longevity. Where the T9381 differs from the T9351 DV+ is that it includes a low profile integrated solenoid, rather than disassembling the factory diverter valve and re using the solenoid. This means the T9381