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Go Fast Bits DV+ for Audi and VW Models Equipped with IS38 Turbocharger

Go Fast Bits
SKU
T9359
$242.10

GFB’s DV+ solution couldn’t be simpler - keep what works and replace what doesn’t.

Worldwide PCT Patents and Design Patent Pending

Features:

  • Retains the factory solenoid coil for seamless integration
  • Replaces plastic valve parts with metal for reliability and strength on chipped engines
  • Direct-fit replacement with GFB’s TMS benefits
  • Exclusive “pilot-actuated” valve mechanism for rapid response at high boost

GFB expands the DV+ range with a direct-fit solution for the weak factory diverter valve used on many VW & Audi 2.0T equipped vehicles.

The solenoid coil itself from the factory-fitted valve is great (the ECU opens it faster than any pneumatic valve so why replace it?). However, the weak point is the valve mechanism itself. To solve this problem, GFB’s DV+ replaces just the weak valve parts with an anodised billet aluminium housing fitted with a brass piston machined to exacting tolerances for the best possible fit and function.

The end result is sharper throttle response, lightning-fast valve actuation and the ability to hold as much boost as you can throw at it.

go fast bits exploded view

Many late-model European cars use ECU controlled solenoid-type diverter valves. This is a good concept because the valve can react very quickly and it only opens when it needs to.

However, there are some problems with these valves. There are typically two types of solenoid-actuated diverter valves found standard on VAG and European cars, both of which have their shortcomings:

Common OE Problem #1
The diaphragm types are commonly known to rupture, especially when boost and temperature are increased as a result of chip tuning.

Common OE Problem #2
The plastic piston-type leaks far more than most people realise (by design, not from wear), and doesn’t always close after a high-boost gear shift.

Additionally, in either case, the solenoid on the OE diverter is directly connected to the valve mechanism, which is not ideal because neither it nor the return spring are strong enough to open and close the valve reliably at high boost.

With problems like this, you can see why other aftermarket manufacturers assume the best solution is to replace the factory diverter entirely. Unfortunately though, whilst their replacement kits might be stronger than the factory diverter, their slower response speed and lower flow do not justify the extra cost and complexity - more of a compromise than a solution.

GFB has taken a different approach to deliver a complete solution that solves existing problems and improves performance, without compromise or a hefty price tag.

The DV+ addresses the factory valve problems with a very simple and elegant solution. Keeping the factory solenoid retains all the benefits of the stock system, and replacing the valve parts with indestructible metal components ensures strength and reliability no matter how much boost you run.

That's not all. Rather than using the solenoid to directly actuate the valve, we’ve introduced a unique “pilot-actuation” system. This means the solenoid controls the air pressure that is used to open and close the piston, so it doesn't matter how much boost you push through it, the DV+ will open and close reliably without ever exceeding the solenoid’s capability.

This feature also improves on the factory system by opening the valve progressively in response to boost pressure, so it only opens as much as required to get the job done (the factory valve simply opens and shuts, it cannot partially open if boost pressure is low), resulting in better throttle response.

Fitment/Applications

  • 2015+ VW Mk7, Mk7.5 Golf R
  • 2015+ Audi 8V S3
  • 2015+ Audi 8S TTS
Due to fitment differences, this GFB DV+ will only fit Audi and VW models equipped with the IS38. If you need assistance identifying which turbocharger your vehicle is equipped with, please feel free to contact us.
More Information
Brand Go Fast Bits
Stock Type N/A
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