GFB VTA T9460 blow-off valve Ford Focus RS Mk.3 350hp (GFBDVT9460)

VTA T9460 = DV+ performance with blow-off valve sound! Note: this valve fits if a vacuum-controlled valve is installed directly on the turbocharger. Thanks to GFB TMS technology, springs of different stiffness are not needed for the respective boost pressures; the valve regulates itself. The adjusting screw on top of the valve lets you set the preload of the piston spring to regulate the opening time during load changes and so achieve better response. This setting has no effect whatsoever on the tightness of the valve! The VTA valve has the same design as the DV+ T9360 - and therefore the same advantages - but also has an opening so that excess charge air can escape to the atmosphere and produce the familiar blow-off sound. The original valves already leak straight from the factory, which causes a loss of power that is even more pronounced on tuned vehicles because of the higher boost pressure. Installing the GFB DV+/VTA closes this “hole” in the charge-air system and thereby noticeably improves response and boost retention. In addition, the turbocharger is protected, as it no longer has to work “against” the hole in the charge-air system. At the same time, the well-known “whoosh” sound is produced when changing gear, as excess charge air is vented to the atmosphere. Other manufacturers offer a simple spacer to produce the blow-off sound, which is also fitted under the original valve. Although this produces a blow-off sound, it does not solve the problem of the leaking original valve. With the GFB VTA valve, both problems are eliminated in one go! Open diverter valves / blow-off valves are not road-legal under the German StVZO.

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