[Z400Central]

Heard about this for awhile. Anyone have it or use it at all? So basically, you put this on, and to make the mixture leaner/richer, you just turn the needles with a screw driver? meaning, you never have to change jets again?!

http://www.thunderproducts.com/ <---link to site, make sure your speakers arnt on full blast.... :roll:

 

[Barely Legal]

Everyone I've ever heard of that tried it, hated it. It was way to finiky and ran crappy.