GFB T9451 VTA Vent to Atmosphere Blow Off Valve - VW Golf MK5 GTi (Incl ED30) Precision 8685 This is because the factory

This is because the factory Bosch regulators typically don’t flow enough to support larger fuel pumps

It attaches to the shield and therefore will NOT fit with any other type of induction kit or with the original air box

Hot side (turbo to intercooler) is made from 2

This part comes with an insert that limits the flexibility of the bush

2 Volkswagen Scirocco Mk3 (R32 Exhaust)

GFB T9451 VTA Vent to Atmosphere Blow Off Valve - VW Golf MK5 GTi (Incl ED30) Precision 8685 This is because the factoryThe 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