I liked it
I have the 5star tune on my 2018 Hurricane 34J. The biggest difference is how much better the part throttle is. The transmission didn't wait until it had to down shift 3 gears, it would drop one at a time as the load increased. I also noticed it was easier to get up to 60 on freeway on ramps. There is no such thing as fuel economy when you are pushing a giant brick at 60...lol.
I think it was worth the money in my experience.
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