INTRODUCING THE NEW VTA BLOW OFF VALVE FOR FORD F150 ECOBOOST APPLICATIONS! If you want sound with your performance (or performance with your sound!), Go Fast Bits VTA delivers just that! Rather than just venting that factory diverter valve to atmosphere, the VTA replaces the weak factory valve internals and delivers an aggressive blow off valve sound, improved throttle response and boost recovery, as well as superior boost holding and reliability in extreme conditions.