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I like it and thought it was cheap for what it does. The algorithms have gone through a couple iterations (its updateable) but I found the latest Tour a bit floaty but have been too lazy to mess with it since I only use that mode on the highway and its fine there. There is a software program that you connect to it with a USB cable but the only thing I use it for is to zero out the static travel. They have some good videos on their youtube page on how it works. I like the Track mode for track duty, it really smooths out bumps well, and just reacts well to hard driving. I don't regret the purchase at all.
Very good module for what it does. I sell a lot of these to track hard Corvette owners and Porsche owners. Not one complaint from it except not buying it sooner.
I put these in my turbo s porsche's and gt2 rs, the difference was night and day, now maybe if you live in an area of the country with good roads this will not make as much of a difference, but I live in PA and NY state, where the roads are below average and rough, these cars all handle good from the factory, this makes them handle good when the roads are not so good, and the ride les harsh. I have this for my 19' ZR1 and will put it in once the weather gets nicer and the car gets driven again, I have driven a ZR1 with it installed and my car back to back, same roads same day, and really made a difference on the roads I drive
They come up on the BST Forum periodically and there are some good bargains there verses buying new. People are stripping them out of their C7's before they sell them for their C8.
I have the V2 unit and it works great on my '15. I think the newer model years need the higher versions?
Only problem I had is that after installing the V2 - the OnStar diagnostic reports stopped working. They came out with new firmware last year and now OnStar diagnostic reports work again.