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Green Classic & Vintage Spares

Adjustable Dump Valve Single Recirculating (TBV003.34R)

Adjustable Dump Valve Single Recirculating (TBV003.34R)

Regular price £115.20
Regular price £115.20 Sale price £115.20
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TBV003.34R Misc Turbo Dump Valves & Boost Adjusters

Motorsport Adjustable Dump Valve, Single Recirculating Piston (Black)
Standard Range :- 0.5-1.2 Bar
Uprated Spring Range:- 1.3-3.0 Bar (Supplied in the box)
Available in Red,Black,Blue & Silver
Size Range:- 20,25,34mm

Dump valves are designed to vent unused pressure to atmosphere when the throttle has been released. When accelerating the turbo charger produces positive pressure which is used to supply the engine with large amounts of compressed air. When you lift the accelerator the throttle butterfly is closed and the boost has no escape route, so it backs up through the intercooler and causes back pressure that tries to prevent the turbo from spinning, this is known as compression stall.
By fitting a dump valve every time you release the throttle the excess boost pressure will be released which means a significant reduction in turbo 'lag', contributing towards faster pick up between gear changes. In extreme cases on cars with high revving engines or large turbochargers the shaft within the turbo has been known to snap when no form of dump valve has been used.
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Model Compatibility

Aston Martin DB9 2004-2016
Audi A3 2006-2013
Audi A4 2005-2015
Audi A6 2004-2011
Audi RS4 2006-2008
Audi RS6 2008-2010
Audi S3 2006-2013
Audi S4 2004-2015
Audi S6 2006-2011
Bentley Continental GT 2003-2019
BMW 1 Series 2006-2013
BMW 3 Series 2006-2013
BMW 5 Series 2004-2010
BMW M3 2007-2013
BMW M5 2005-2010
BMW X5 2006-2013
Ferrari F430 2004-2009
Ferrari F430 Scuderia 2007-2009
Ferrari F430 Spider 2005-2009
Jaguar F-Type 2013-2020
Jaguar XJ 2004-2019
Lamborghini Gallardo 2003-2014
Lamborghini Huracan 2014-2020
Lamborghini Murcielago 2001-2010
Lotus Exige 2004-2011
Maserati GranTurismo 2007-2019
Maserati Quattroporte 2004-2019
McLaren 570S 2015-2020
McLaren 650S 2014-2017
McLaren 675LT 2015-2017
McLaren MP4-12C 2011-2014
Mercedes-Benz C-Class 2007-2014
Mercedes-Benz CL-Class 2006-2014
Mercedes-Benz CLS-Class 2006-2014
Mercedes-Benz E-Class 2006-2016
Mercedes-Benz S-Class 2006-2013
Mercedes-Benz SL-Class 2006-2012
Porsche 911 2004-2019
Porsche Boxster 2005-2016
Porsche Cayman 2006-2016
Volkswagen Golf 2005-2013
Volkswagen GTI 2006-2013

Part Number

TBV003.34R
OEM Part Number: N/A

Shipping Information

Standard shipping with tracking via Royal Mail or Evri for heavier parts:
- £4.99 per order for standard 2-day delivery
- £5.99 per order for Next Day delivery

Most orders are shipped the same business day if ordered before 2pm. We ship Monday through Friday.

If we unexpectedly run out of stock we may have to order your part which can take up to 1 week. We will be in touch in the rare circumstance that there is a delay to your shipment.

Returns Policy

We want you to be completely happy with your purchase but please do not hesitate to contact us immediately if you have a problem with your order. Please ensure that you consider all the points described on our profile page accessible by clicking our name above the product title.

It is especially important that you take due care to ensure that the part you selected is compatible with your car. If in doubt, we'd prefer that you get in touch via our profile page so we can help you.

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