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Mine definitely stays in electric longer and has better mileage. But I was getting 22-23 before, now 24-25.

That’s what I mean…When in tow mode, ICE ran the whole time. But in normal mode with E-tune, the electric runs longer.

I ended up buying it and it’s great. It does stay in electric longer. It’s listed as “E-boost tow tune” so I used it towing this past weekend. I was in tow mode so it didn’t do anything different on the electric (was off while driving) but did improving towing as well.

Anyone have or try running the E-boost? My tuner just came in and excited to get started tomorrow. Also, I’ve read you have to get under the hood to change tunes, still the case or is “on the fly” tune change available now for 2021+ (I have ‘21)

I also have the 2.4kw and am wondering the same. I have a smaller TT with a single a/c, hoping it can at least power everything minus the a/c (powering the a/c would be a great bonus)