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You are here: Home | Dump Valves | GFB Diverter Valve Plus ST Fiesta DV+

GFB Diverter Valve Plus ST Fiesta DV+ - Ford Fiesta ST180 1.6 EcoBoost


No Loss In Boost! Immediate Throttle Response

RRP: £107.58 (inc. VAT)

Our Price: £104.00 (inc. VAT)

Fully Fitted: £166.40 (inc. VAT)

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GFB DV+ Ford 1.6 Ecoboost - Go Fast Bits

  • Uses 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
  • Real World Performance Benefits
  • Exceptional Engineering
  • Special introductory Price!


All new from GFB. The DV+ is the most essential upgrade you need for your Fiesta ST180. Ensuring that you don't loose any boost through the weak electrical standard valve, GFB replaces the weak, brittle plastic with precision engineered components that will outlive the life of your car. By ensuring the standard valve never fails, you will be able to run more boost and run the boost earlier.

Pumaspeed have already tested this product and noticed staggering differences on standard and Hybrid turbo applications. We also saw huge improvements through testing on our Garrett GTX Turbo including much sharper throttle response, boost in much earlier, back on boost straight away and holding Boost for longer. The DV+ really is an essential enhancement. Get it now!

GFB expands the DV+ range with a direct-fit solution for the weak factory diverter valve used on many European vehicles.

The Solenoid Coil itself from the factory-fitted valve is great as the ECU opens it faster than any Pneumatic Valve, so why replace it? The weak point however is the Valve Mechanism itself. GFB’s DV+ solves this problem by replacing the valve parts with an Anodised Billet Aluminium housing, fitted with a Brass Piston machined to exacting tolerances.

The end result is sharper throttle response, lightning-fast valve actuation, and it will hold as much boost as you can throw at it. Read all about the DV+ story below. Other manufacturers’ products involve replacing the entire system with a Traditional Pneumatic Valve. This approach requires long Vacuum Hose Runs, additional parts for tapping into the intake manifold vacuum, plus a different Solenoid Valve to actuate the Pneumatic Valve, or a Ballast Resistor to plug into the OE Wiring Loom. All these additional items result in a product that is slower, less responsive, more expensive and takes much longer to install.

GFB’s DV+ solution on the other hand, is more responsive, less expensive, easier to install, and doesn’t cause Compressor Surge/Turbo Flutter. Oh, and it doesn’t require different springs or frequent re-builds either!


Exploded view labels


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:

  • The Diaphragms are weak and known to rupture, especially if boost has been increased. Once this happens, the valve will no longer hold boost pressure.
  • The plastic lip that surrounds the Diaphragm is very thin and pieces can break off, potentially ending up going through the turbo.


Additionally, the Solenoid on the OE diverter is directly connected to the Valve Mechanism, which is not ideal because neither this, 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, or change it to a purely Pneumatic system. 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, the DV+ retains all the benefits of the stock system. Also replacing the valve parts with indestructable 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 only has to control airflow through a small passage that is then used to open and close the piston (rather than opening and closing the piston directly), 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.



Fitting Video

Fitting Tips.

The internal plastic collar that is removed by hand in the video doesn't always come out as easy as shown. That plastic collar may have become brittle and may break/need to be broken off to fit the DV+. Do not be alarmed by this as the DV+ directly replaces the collar for the reason that it is fragile and prone to breaking.

GFB DV+ Ford 1.6 Ecoboost

The Pumaspeed Workshop team are ready to fit the GFB Diverter Valve Plus ST Fiesta DV+ in our Head Office located here.

We estimate the labour time to be approximately 0.80 hour(s) costing £62.40 inc VAT.

Therefore making parts and labour a total cost £166.40 (inc. VAT).

Please don�t hesitate to contact us on the phone number above or click here to email.

Note: The fitting cost quoted is an estimate based on our Ford tuning experience. Please be aware that on rare occasions problems can occur that are out of our control; such as seized or snapped bolts due to age or wear. We work swiftly but in the event of an issue we may have to levy the fitting charge based on the time taken to rectify any unforeseen circumstances.

Pumaspeed Performance Distribution

Pumaspeed have a specialist distribution team that can dispatch the GFB Diverter Valve Plus ST Fiesta DV+ to any destination worldwide.

Please select the delivery country from the drop down list below to see the express delivery charge and set your shopping cart to the correct VAT rate.

Are you a trade customer?

Pumaspeed have a specialist trade distribution team that service many of the Motor trade specialists throughout the UK, the EU and the Rest of the World.

From a simple email tune file to a huge shipment of Milltek Sport Exhaust Systems. We have an expanding portfolio of new brands and products combined with the experience and ability to provide what you need.

To register your interest as a company click here.

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The GFB Diverter Valve Plus ST Fiesta DV+ product has been listed by Pumaspeed as fitting the following vehicles:

Fiesta ST Mk8 2018

Fiesta ST180 1.6 EcoBoost