Any one running R&D Turbowerx on 800 XP?

[Zig Zag]

Just wondering how they are working and holding up over time?

 

[hivoltagesledhead]

I have one on my sled. I only have around 250 miles on it so far but it works really well. There is a few updates to it as I had one of the firsts,but I am very happy with it.