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We recommend servicing your valve every 3 years, or 20,000 miles, whichever comes sooner
As we endeavour to continue our innovation, existing products are no exception. Therefore, we have now released the all new version of “FMDV004.” It has been difficult to improve upon this market leading design, but we have done just that, offering improved dual piston action with increased response time resulting in an very audible blow off sound when the throttle is lifted. In addition, we now include an extensive fitting kit for easy conversion from a stock recirculation valve to this compact blow off valve.

Highlights:
*Terms and conditions apply.
In the Box
1x FMDV15 Atmo Valve
1x Length of silicone hose
1x Silicone blanking cap
1x Brass T-Peice
1x 25mm Ally Blanking Plug
2x Hose clamps
10x Cable ties
1 x Forge Sticker
Please note that all Forge Motorsport Dual-Piston Atmospheric Valves have been designed and built with the intent of venting 100% of the residual charge air remaining in your forced induction system to the atmosphere at throttle lift. While we have incorporated many elements into the design of the Dual-Piston valves to aid in their compatibility with mass air-flow sensor equipped vehicles, we cannot always guarantee that everyone’s application will be compatible with a valve that vents the charge air into the atmosphere.
Forge Motorsport nor any of its Authorised Distributors can assume any responsibility for any adverse effects resulting from the installation of this valve onto a vehicle whose engine-management-system, whether factory or aftermarket, is not capable of compensating for the loss of metered air through a vent-to-atmosphere valve such as this.
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You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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