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Message: <blockquote data-quote="802Avalanche" data-source="post: 1354839" data-attributes="member: 24949">1. There is currently no Whipple Stage 2. When I spoke to them about a year ago they had nothing in the works for a Stage 2, and no plans to do so. I would say that Stage 2 is upgraded turbos and it seems Whipple knows that you can't really throw much more boost at this 3.5 without having an engine rebuilt to handle it.2. If you want to switch to MPT or any other custom tuner, you will have to get the truck back to stock first. With a Whipple Stage 1 tune, your Ford dealer can't even update the truck with Ford standard issue updates that are tied to the VIN (you have to get these through/from Whipple). If you go that route, keep us posted on what is involved in the process of getting back to stock. I may end up with an MPT tune down the road, but sitting tight with Whipple Stage 1, because I run the truck hard and it is a pretty "safe" tune in my opinion.</blockquote>