GFB - DV+ N55 T9356

GFB DV+ Direct-Fit Upgraded Diverter Valve for European Vehicles

GFB expands its award-winning DV+ range with a direct-fit solution designed specifically to replace the weak factory diverter valve found on many European cars. Instead of replacing the entire valve system, GFB improves what matters most — the valve mechanism itself — while retaining the factory solenoid coil renowned for its lightning-fast response.

Why Replace Your Factory Diverter Valve?

Many late-model European vehicles use ECU-controlled solenoid-type diverter valves. While the solenoid coil performs well, the valve mechanism is the Achilles’ heel:

• Diaphragm-type valves are prone to rupturing under increased boost and temperature, especially after tuning.

• Plastic piston-type valves inherently leak boost by design and often fail to close properly after high-boost gear shifts.

• The factory solenoid directly actuates the valve mechanism, but the weak valve spring and parts can’t reliably handle higher boost pressures, causing turbo flutter, compressor surge, and reduced throttle response.

How the GFB DV+ Solves These Problems

GFB’s DV+ upgrade keeps the factory solenoid coil but replaces the valve internals with a durable anodized billet aluminum housing and a precision-machined brass piston. This combination results in:

• Sharper throttle response due to faster and more precise valve actuation.

• Unmatched durability that holds up to extreme boost levels without failure.

• Improved reliability with no need for different springs or frequent rebuilds.

• No turbo flutter or compressor surge thanks to superior valve sealing.

• Easy installation without vacuum hose modifications, extra solenoids, or complex wiring changes.

• Progressive valve opening using a unique “pilot-actuation” system — the solenoid modulates air pressure to control the valve piston, allowing it to open just as much as needed depending on boost pressure. This improves throttle feel and eliminates the abrupt open/close action of stock valves.

Advantages Over Other Aftermarket Solutions

• No need for additional vacuum lines or solenoids.

• Maintains factory ECU control for fast, reliable operation.

• More responsive and less expensive than traditional pneumatic diverter valves.

• Simplified installation with no compromises on performance.

• Suitable for high-boost applications without risk of valve failure.

Features and Benefits

• Direct-fit replacement for factory diverter valves on many European vehicles (including VAG models)

• Retains original factory solenoid coil for ultra-fast response

• Billet anodized aluminum housing with brass piston for strength and precision

• Pilot-actuated valve design for progressive, boost-responsive operation

• Eliminates boost leaks and turbo flutter common with OEM valves

• No vacuum hose modifications or additional wiring needed

• Resistant to heat and boost pressures experienced after ECU tuning

• Easy bolt-on installation saves time and money

• Improves throttle response and engine reliability under boost

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