I have one and it works very well. With just a couple of runs you can set it to dump boost at any psi you want. It operates smoth and percise and its a great inprovement of the stocker. Other than beening a little tough to install with the turbo on the truck due to the very small c clips u have to install. Hope this helps.
the main reason I got one was to make it alot easier to adjust the wastegate. I think it does a lot better then the stock wastegate controller. But remember anything more than about 25-27 psi of boost will eventually kill the stock turbo.
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