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This fits on intercooler part no. 28270-2B710
Due to the location of the OEM valve, there is limited space as it fills the gap between the top of the intercooler and the underside of the slam panel. The Forge Motorsport solution is to replace the OEM recirculation plate with our sandwich plate which creates enough room to fit FMDV42, ensuring you can enjoy that fantastic “pshh” sound!



The Forge direct replacement blow-off valve is designed to be a more durable and performance-oriented valve than the OEM unit. The OEM valve is suitable for stock boost levels for a period of time, however, once boost pressure is raised, and after prolonged use, the stock valve will no longer be adequate. Raising the boost output of the vehicle will have a number of effects on the OEM valve. First and foremost, the additional boost pressure will quickly exceed the capacity of the OEM spring to keep the valve closed under higher boost levels. Since you cannot change the springs in the OEM valve, it cannot be adjusted for higher boost levels. Secondly, the additional heat generated by the increased boost will quickly deteriorate the OEM rubber valve diaphragm, which will also lose strength with repeated oscillations.


The Forge valve uses full billet aluminum construction and Viton silicone O-rings that will withstand the highest boost levels and repeated abuse. It is also tunable for varying boost levels with the included spring tuning kit. The valve is fully rebuildable, and we recommend servicing the valve every 3 years or 20,000 miles.
In The Box:
1 x FMDV42 Valve
1 x Uprated Yellow Spring
1 x Uprated Blue Spring
3 x M6 x 35 Socket Cap Bolts
3 x M6 Plain Washers
1 x Spacer Plate
1 x 57 x 2.5 O-ring
3 x M6 Spring Washers
1 x Forge Sticker

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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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