Just a few quick questions, picking up a new WR426 this Sat.Canadian Model.I was wondering about this Ty Davis signature series tank from IMS 3.2 gal model,Comments? Suggestions? Also White Bros S series muffler W/quiet core.Is this the same as the Hawkins series? What is the effect of adding the down turned end cap. This the first of many questions I will probably post.Have already done quite a bit of searching Great Site! Need to get this bike right!!! Riding w/ NUT on a 520!!!