GFB T9430 VTA - Vent to Atmosphere Blow Off Valve - Audi A3 8V 1.2 & 1.4 TFSi F90 M5 FULL KIT amber corona ring conversion

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GFB T9430 VTA - Vent to Atmosphere Blow Off Valve - Audi A3 8V 1.2 & 1.4 TFSi F90 M5 FULL KIT amber corona ring conversionThe latest addition to the VTA range is a blow off valve designed specifically for late model Audi, VW, Skoda, and SEAT 1. 2 and 1. 4TSI models. These engines come from the factory with no diverter valve of any kind, which results in turbo compressor surge every time the throttle is closed after boosting. The intake is acoustically tuned to suppress the fluttering sound of compressor surge, but it does not eliminate the effect of pressure pulses that