Emgo is most likely the cheapest/budget way to go. They sound great and are pretty well made, not as good as preds or other high end pipes from what is said. But they are 1/5th the price so you get what you pay for. Alot get them from ebay, or here is anyother site,
http://www.denniskirk.com/jsp/tpl/cm...p=&brandId=243
Mondo