does any one know if there is a upgrade ECU for the xb or no

never seen one, but i was wondering that myself, it would b nice....

theres the ebay thing, but i wouldnt run it.

a lot of things should be coming out pretty soon, so hopefully with in the next 6 months new products will be out soon. :D People always have to do R and D. Y i my self did my own research for the axle backs to get them perfect. 8)