GFB T9451 VTA Vent to Atmosphere Blow Off Valve - Audi S1 8X Audi A3 assertive Cupra soundtrack from a

assertive Cupra soundtrack from a non‑silenced centre section and straight‑through layout

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TS-1656-4 also listed as Girodisc-TS-1656-4

GFB T9451 VTA Vent to Atmosphere Blow Off Valve - Audi S1 8X Audi A3 assertive Cupra soundtrack from aThe 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!), GFBs 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