GFB VTA Performance Blow Off Valve from GFB :: Buy from Demon Tweeks on The UK High Street

This product is sold by Demon Tweeks

Price at Demon Tweeks:

£155.23

Postage Cost: £6.48
Total Cost: £161.71

Merchant: Demon Tweeks
Model: T9451
Brand: GFB
Merchant's Category: Car Parts

The VTA from GFB is a high quality performance blow off 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 the 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.The factory diverter valve found on these cars has two distinct issues reliability, and performance, a high quality aftermarket blow off valve such as this solves these issues.Reliability There are two ways in which the factory diverter valve can fail; the un-reinforced rubber diaphragm can rupture, and the metal valve stem that slides in the plastic cap can stick. In both cases, there is a risk to the turbocharger, as the ECU will attempt to compensate for a boost leak by increasing the wastegate duty cycle, which increases the turbo RPM significantly. The VTA features CNC machined billet components that last a lifetime and cannot be damaged by high boost pressures or the associated increased charge temperatures.Performance The factory diverter valve typically operates in only two states either fully open, or fully closed. When it opens at low boost, or during a partial throttle lift mid-corner, it causes increased lag and a noticeably non-linear boost transition, which is noticeable as a distinct step down in power as you roll off the throttle and the valve opens. The VTA however allows the piston to open and close progressively in response to the amount of boost pressure present, so it only vents enough air to prevent compressor surge (the primary purpose of a diverter or blow off valve). This helps to smooth out boost transitions, making the throttle response more linear and predictable, and also minimizes lag introduced by the factory diverter valve.Sound The VTA, as its name suggests, vents the air to atmosphere for maximum whoosh noise when you lift off the throttle. Each valve in the VTA range is designed specifically for the applications we list them for, ensuring the best fit and performance. Most of the VTA range are designed for use on cars with solenoid type factory diverter valves, and in those cases the VTA kit will retain the solenoid and ECU control. It replaces the weak factory valve internals to ensure strength and reliability, especially in high boost applications.
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GFB VTA Performance Blow Off Valve from GFB

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