RQ info for xs-power wastegate

[KAMIKADZE]

Can someone tell me his opinion about xs-power's 50mm wastegate ???
http://www.xs-power.com/images/13B-2.jpg

[moadster]

Its an exact copy of an hks 40mm, but the important part is what they used internally for the diaphram. If they didn't use the proper high temperature materials then you run the risk of the diaphram breaking and not allowing you car to boost or not allowing it to open and overboosting.