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Join Date: Apr 2008
Location: S.E. Michigan
Opinions are all over the map so you pretty much have to read as much as you can and make a decision.
Drilling is cheap and quick but not fixable. Alot of folks who don't care for the loud "open pipe" sound seem to like this. And removing the goat belly/power chamber from underneath with make it a bit louder but takes some work to fill in the space, though a replacement kit is available for around $65 I think.
Cobra pipes, Vance and Hines, and Jardines are popular choices and most people who use them seem to like them, but this is an expensive "test", though easily changeable if you save all your old stock stuff. Pipes are louder than drilling by far, but again it's taste. Some really like them, some think too loud. Of the three, the common consensus around here is that Jardines are the loudest of the three. Also, do you want the pipes to be on the same side as the bike, or one on each side? Another thing to consider.
There is no easy answer to this question, you just experiment until you find what you like. When I got my bike I went thru 3 different exhaust system set-ups in just a few months until I found what I liked.
Drill the pipes and see what you think. If you want a little louder than pull the goat belly. (or vice versa)
Good used stock mufflers will be easy to get, and cheap to if you want to undo it, it won't be too bad.
If drilling and removing the GB isn't loud enough, then switching to new pipes will be the next step. Often times good used pipes can be found on Ebay or here for a reasonable price too.