I have a Trx250 and i dont know if i should get a bumper first or jus keep saving my money and get a pipe.
keep it bone stock for a little while till you get used to it, or run into a tree and need a new bumper ;-)
Id@
Check this out on eBay. http://cgi.ebay.com/ebaymotors/Billet-Power-Tip-for-Honda-250EX-250-EX-ATV-Exhaust_W0QQcmdZViewItemQQcategoryZ43978QQitemZ4636936079QQrdZ1
Upgrade the tires first. Dont get a bumper untill you need one and a pipe is not going to turn it into a 450.
I wouldn't mod it too much. I would save your money and keep it well maintained. When you sell it, you'll get a good price for it, and you'll have money to put towards a new ATV.