What does this do??

[audi_a3_turbo]

Just been looking through ebay on some of the Forge items and was wondering what this does and are they worth buying?
Thanks
http://cgi.ebay.co.uk/Forge-uprated...arts_Vehicles_CarParts_SM?hash=item335b60d2d5

 

[<tuffty/>]

Actuator to control the wastegate of your turbo... not worth buying for your K03

<tuffty/>

 

[audi_a3_turbo]

Are they more for bigger turbos then?

 

[<tuffty/>]

typically yes....

<tuffty/>