Worldwide Delivery Available
Seen it cheaper? We'll Beat/Match Prices
Over 40 Years Expertise
Forge Motorsport Single Piston Ram Dump Valve FMDV001GTI for Renault 5 (1985 - 1991)
Forge Motorsport Single Piston Ram Dump Valve FMDV001GTI for Renault 5 (1985 - 1991)
Have a query about this product?
Speak to a member of our team
0113 264 3231
Monday - Friday: 8.30am to 5.30pm
Saturday: 9:00am - 12 noon
Sunday: Closed

Forge Motorsport Single Piston Ram Dump Valve FMDV001GTI for Renault 5 (1985 - 1991)

Free Standard Delivery
Write a review
  • An Atmospheric Dump or Blow off valve suitable for all turbo cars without an Air Flow Meter. Made from billet alloy and using a single piston this valve will run faultlessly without the need for attention and eliminates the longevity problems associated with the original diaphragm valves. Single-Piston/Diaphragm Atmospheric Valves and Valve Fitting Kits. All Forge Motorsport Single-Piston and Diaphragm 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.
  • 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.
  • Please select whether you would like a black or polished silver valve using the options above.
  • In The Box:
  • 1 x FMDV001GTI Valve
  • 1 x Forge Sticker
Price £121.00 inc. VAT
Pay in 3 with Klarna. Learn more
18+, T&C apply, Credit subject to status.
Seen it cheaper? We'll Beat/Match Prices
Make Renault
Model 5
Year 1985 - 1991
Variant GT Turbo
Manufacturer FORGE MOTORSPORT
Manufacturer Part FMDV001GTI
Larkspeed Code FMDV001GTI
Product Information
Delivery & Returns
  • An Atmospheric Dump or Blow off valve suitable for all turbo cars without an Air Flow Meter. Made from billet alloy and using a single piston this valve will run faultlessly without the need for attention and eliminates the longevity problems associated with the original diaphragm valves. Single-Piston/Diaphragm Atmospheric Valves and Valve Fitting Kits. All Forge Motorsport Single-Piston and Diaphragm 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.
  • 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.
  • Please select whether you would like a black or polished silver valve using the options above.
  • In The Box:
  • 1 x FMDV001GTI Valve
  • 1 x Forge Sticker

SPECIAL OFFER - FREE SHIPPING on this item to all UK Mainland Addresses (Excludes Highlands, Islands and Northern Ireland.

A Forge Motorsport Atmospheric Dump or Blow Off Valve suitable for all turbo cars without an Air Flow Meter. Made from billet alloy and using a single piston this valve will run faultlessly without the need for attention and eliminates the longevity problems associated with the original diaphragm valves.

This Dump Valve has 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. Neither Forge Motorsport nor Larkspeed 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.

The easiest way to order from Larkspeed is via our secure online ordering system. We accept most major credit and debit cards except American Express. We also accept PayPal.

Please ensure that you provide us with a valid telephone number and email address so that we can contact you about your order if necessary. Please also ensure that you fill in your vehicle details so that we know what car you are ordering for.

Once an order has been placed successfully, you will receive an automated response via email. If you do not receive an automated email from our website, this could mean that your payment has not been successful – in if doubt, please contact us on sales@larkspeed.com or 0113 264 3231


Location Weight Price
UK Mainland Up to 2kg £5.95
UK Mainland Over 2kg £10

Mainland UK shipping does not cover Highlands and Islands and selected postal areas. The Postal Code areas listed below will in some cases incur extra postage charges.

AB31-38, AB40-56, All BT Postal Codes, All HS Postal Codes, All IM Postal Codes, IV1-28, IV30-32, IV36, IV40-49, IV51-56, IV63, KA27-28, KW1-17, PA20-38, PA41-49, PH4-44, PH49-50, All ZE Postal Codes, All Channel Islands and all Republic of Ireland addresses

For shipments up to 30kg

Location Price
Highlands/Islands/Selected Postal Areas £20
Andorra £55
Austria £45
Belgium £40
Channel Islands £35
Croatia £55
Czech Republic £55
Denmark £55
Estonia £55
Finland £55
France £40
Germany £50
Greece £55
Hungary £55
Ireland £30
Isle of Man £30
Italy £55
Latvia £55
Netherlands £50
Northern Ireland £30
Norway £75
Poland £70
Slovakia (Slovak Republic) £55
Slovenia £55
Spain £55
Sweden £45
Switzerland £65

Telephone Ordering

If you prefer, you can also order via telephone on 0113 264 3231

For customers outside of the UK, please dial +44 113 264 3231

Email Ordering

Customers outside of the UK can email orders to sales@larkspeed.com. When payment is required, we can email you a secure card payment link or a PayPal invoice.

Worldwide Shipping

We can ship virtually every item on our website to almost every part of the world. However, the website can not calculate shipping for all countries, particularly where we need to ship via Air (generally outside of Europe). If the website is not calculating shipping automatically for you, then please email us for a shipping quote on sales@larkspeed.com

Deducting VAT

Please note that we can remove the VAT for all customers outside of the EU, and also for customers within the EU with a valid EU VAT Number.

...