klx250sf exhaust mod?

[darksidemxer]

any1 modify their stock KLX250sf exhaust? im trying to pull alil more power out of it while i save up to get my fiance the exhaust.

[BP88]

I think some people drill a 1/2" hole in the last baffle inside the muffler. You'll have to rejet if you perform any modifications to the intake and/or exhaust, though, as our bikes run lean from the factory. I would just wait until you have everything and then rejet it.