It seems that some work worse & others work the same.
Not a real big gain to be had.
Tunedf7 could you post on this site when the next races are in C.B. please.
I hope I am correct in thinking thats where you're from.
A forum community dedicated to snowmobile owners and enthusiasts. Come join the discussion about performance, trails, riding tips, modifications, classifieds, accessories, troubleshooting, maintenance, and more!