i havce an 89 warrior that i want to start upgrading. wut should i start with, it has k and n filter, and new top end.i am trying to sell my 85 honda 200x so i will have some money for these upgrades.wut would be the next best upgrade?

 

slipon, rear skid, rear tires,raptor shocks

 

there is a nice slip on fmf exhaust on ebay,is that a good exhauset? 140 bucks,free shipping