GFB VTA DV+ Blow Off Diverter Valve For VAG VW Audi Skoda 1.8 / 2.0 TFSI Engines Part No. T9451 Note: Check vehicle compatilibity to ensure this fits your car. Description The VTA is a performance blow-off valve solution for Audi, VW, Skoda and SEAT vehicles with an electronic factory diverter valve. If you want sound with your performance (or performance with your sound!), GFB’s VTA delivers just that! By combining the proven performance benefits of our ground-breaking DV+ with atmosphere venting, the VTA delivers an aggressive blow-off sound, improved throttle response and boost recovery, as well as superior boost holding and reliability in extreme conditions. Key features: - TMS Technology for faster boost recovery on gearshift and during throttle modulation - Improved boost.