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A Universal Twin Piston Blow Off Valve with a Weld on Adaptor
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A Universal Twin Piston Blow Off Valve with a Weld on Adaptor

This twin Piston Blow off Valve is specifically designed for those that wish to install the valve by welding direct to a hard pipe installation, intake manifold, intercooler or similar.

£228.40 inc. VAT
SKU: FMDVWO34
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We’re finalising our online store. If you’d like to order this item, please call us on 01793 228485.
Need assistance with installation, contact VGS Performance before ordering.
Installation
Most parts can be fitted with standard tools and basic mechanical knowledge. However, some upgrades may need professional fitting or calibration for best results. If you’d like assistance with installation, please contact VGS Performance before ordering.
Sustainability
We only work with trusted suppliers who meet strict manufacturing standards. Many components are built to last longer, reducing waste and improving performance efficiency. Packaging is also recyclable where possible.
Reviews
We value honest feedback from every customer. Reviews help us maintain quality and support others in choosing the right performance parts. You can leave a review directly on the product page once you’ve received your order.

We recommend servicing your valve every 3 years, or 20,000 miles, whichever comes sooner

This twin Piston Blow off Valve is specifically designed for those that wish to install the valve by welding direct to a hard pipe installation, intake manifold, intercooler or similar. Available with a 25mm or 34mm adaptor which screws to the valve.

Please select the adaptor required from the options above.

 

In The Box: 1 x FMDVWO25 or 34 Valve 1 x Adaptor (Aluminium or Stainless Steel) 1 x Uprated Blue Spring 1 x Uprated Red Spring 1 x Forge Sticker

If you wish to tune this product to fit the needs of your engine, please see the spring tuning kit below.

We recommend servicing your valve every 3 years, or 20,000 miles, whichever comes sooner

This twin Piston Blow off Valve is specifically designed for those that wish to install the valve by welding direct to a hard pipe installation, intake manifold, intercooler or similar. Available with a 25mm or 34mm adaptor which screws to the valve.

Please select the adaptor required from the options above.

 

In The Box: 1 x FMDVWO25 or 34 Valve 1 x Adaptor (Aluminium or Stainless Steel) 1 x Uprated Blue Spring 1 x Uprated Red Spring 1 x Forge Sticker

If you wish to tune this product to fit the needs of your engine, please see the spring tuning kit below.

FAQ

Do I need to tune my car after installing these parts?
Some parts, such as A Universal Twin Piston Blow Off Valve with a Weld on Adaptor may require an ECU remap or professional tuning for best results. Check the product description for guidance or contact us if unsure.
Are these parts road legal?
All road-legal items are clearly marked. For off-road or track-only parts, this will be stated in the description.
Can I collect my order?
Yes, A Universal Twin Piston Blow Off Valve with a Weld on Adaptor is available by prior arrangement. Contact us to confirm before visiting.

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