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T9451 VTA (Fitment includes MK5 & MK6 GTI and similar)

Performance and Sound!

Part Number: T9451

 

 

In Stock

For immediate despatch.

 

The 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!), GFB’s 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 holding and reliability in extreme conditions.

The VTA shares the successful DV+ design philosophy: “Keep what works, replace what doesn’t”

This means we retain ECU control and the solenoid from the factory diverter to ensure the fastest possible response time, without the added and unnecessary cost of replacing the solenoid like some brands do. The weak part of the factory diverter has always been the plastic valve mechanism – this is the part we replace. The VTA features CNC machined billet components that last a lifetime, and we also change the valve operation method for better performance. The factory diverter valve can only operate in two states – open, or closed. When it opens fully at low boost, or during a partial throttle lift mid-corner, it causes increased lag and a noticeably non-linear boost transition.

GFB pioneered the use of “pilot operation” in the DV+, which works by repurposing the factory solenoid to control the pressure behind the piston rather than the piston itself. This allows the solenoid stroke to be much shorter, speeding up the response time and increasing the actuation force. More importantly, it allows the piston to open and close progressively in response to the amount of boost pressure present, which smooths boost transitions and reduces the lag caused by the factory diverter valve.

It is this design philosophy that makes the VTA not only the best performing blow off valve solution, but also the best value on the market.

 

Important note:

Torque settings for the VTA bolts are 7Nm (as per the standard part). Overtightening of these bolts can damage the valve and lead to operational issues.

 

VTA or DV+?
Depends if you want sound or not. Both valves are constructed with the same quality materials and valve mechanism, and both offer the same performance and reliability benefits. However, the VTA vents to atmosphere for sound whilst the DV+ recirculates the air to keep it quiet.

Why choose a VTA over a “BOV spacer”?
“BOV spacers” are cheap and they make sound. But that’s it. All the inherent performance and reliability issues you get with the factory diverter valve remain, because a spacer doesn’t change the diverter valve in any way. The VTA improves the operation of the diverter valve for sound AND performance.

Why choose a VTA over a kit that includes a solenoid?
Because there’s no performance benefit to replacing the factory solenoid, only a much higher price! If a VTA with the factory solenoid can open in a couple of hundredths of a second, why pay more than you need to?

 

Why Choose This Valve?

VTA blow-off valves are constructed with the same materials and valve mechanism as the DV+, and they offer the exact same performance and boost holding. However, venting to atmosphere gives it the signature blow-off sound, whilst the DV+ keeps things quiet.

Competitors' products for the same vehicles that make sound (i.e. BOV "Spacers") typically retain the performance deficiencies of the factory diverter valve, delete the ECU control, or require frequent maintenance and rebuilds. The VTA on the other hand is the complete package - performance, fit, reliability, and sound!

Like the DV+, GFB’s VTA range of BOVs utilise GFB’s proven TMS Technology to ensure rapid boost recovery on gearshift and optimum throttle response, as well as superior boost holding. However, where the DV+ and the VTA range differ is what they do with the vented air. VTA BOVs vent to atmosphere to make the signature turbo blow-off sound, where the DV+ recirculates the air to keep it quiet.

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. Like the DV+ though, it replaces the weak factory valve internals to ensure strength and reliability, especially in high boost applications.

Other versions of the VTA are designed for use on cars that do not have any kind of factory fitted diverter valve. Vehicle manufacturers have deleted the troublesome solenoid type diverter valve from some of the newer models, but this leads to turbo compressor surge which can be taxing on the turbo in the long run. The VTA valves for these cars are designed to re-introduce the function of a diverter/blow-off valve to help protect the turbo in the long term and provide a blow-off sound.

A1

8X1 3-Door Hatchback (2014 to 2018)

Variant
Body Style
Driven Wheels
Years
S1 quattro 231hp
Hatchback
quattroquattro
2014 to 2018

A3

MK3 8VS Saloon / Limousine (2013 and later)

Variant
Body Style
Driven Wheels
Years
1.8 TFSI 170hp
Saloon
Front Wheel DriveFWD
2013 and later
1.8 TFSI quattro 180hp
Saloon
quattroquattro
2013 and later

MK3 8VA 5-Door Sportback (2015 to 2020)

Variant
Body Style
Driven Wheels
Years
RS3 quattro 367hp
Sportback
quattroquattro
2015 to 2020

A4

B7 Avant (2004 to 2008)

Variant
Body Style
Driven Wheels
Years
2.0 TFSI 200hp
Avant
Front Wheel DriveFWD
2004 to 2008

B7 Saloon / Limousine (2004 to 2008)

Variant
Body Style
Driven Wheels
Years
2.0 TFSI 200hp
Saloon
Front Wheel DriveFWD
2004 to 2008

B6 & B7 Cabriolet (2006 to 2009)

Variant
Body Style
Driven Wheels
Years
2.0 TFSI 16V 200hp
Cabriolet
Front Wheel DriveFWD
2006 to 2009

A5

A6

C6 Avant (2005 to 2008)

Variant
Body Style
Driven Wheels
Years
2.0 TFSI 170hp
Avant
Front Wheel DriveFWD
2005 to 2008

C6 Saloon / Limousine (2005 to 2008)

Variant
Body Style
Driven Wheels
Years
2.0 TFSI 170hp
Saloon
Front Wheel DriveFWD
2005 to 2008

C7 Avant (2011 to 2013)

Variant
Body Style
Driven Wheels
Years
2.0 TFSI 180hp
Avant
Front Wheel DriveFWD
2011 to 2013

C7 Saloon / Limousine (2011 to 2013)

Variant
Body Style
Driven Wheels
Years
2.0 TFSI 180hp
Saloon
Front Wheel DriveFWD
2011 to 2013

Q5

8RB (2008 and later)

Variant
Body Style
Driven Wheels
Years
2.0 TFSI quattro 211hp
SUV
quattroquattro
2008 and later

TT

Beetle

Golf

Jetta

MK5 (2005 to 2011)

Variant
Body Style
Driven Wheels
Years
2.0 TFSI 200hp
Saloon
Front Wheel DriveFWD
2005 to 2011

MK6 (2010 and later)

Variant
Body Style
Driven Wheels
Years
2.0 TSI 200hp
Saloon
Front Wheel DriveFWD
2010 and later

Passat

Scirocco

Tiguan

 

 

 

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