After some research I concluded that one of the best upgrades for your money is the exhaust I was either thinking about the BGF Voodoo Pipe http://www.ebay.com/itm/48cc-bicycle-Motor-engine-parts-Voodoo-expansion-pipe-exhaust-muffler-Black-/161071872266?pt=Cycling_Parts_Accessories&hash=item2580a1b90a or the Arrow Torquer II http://www.arrowmotorizedcycles.com/shop-now---exhaust-pipes.html!
I can't choose so help me out!
I can't choose so help me out!