Removing Exhaust baffel

[DEAL]

Does anyone know how to remove the baffel from the stock exhaust on a 400ex?
Or anyways to increase exhuast flow while still keeping the stock setup. P.S Noise isn't a big deal.
Thanx

[400exdad]

This is how to make the stock muffler flow.
http://home.earthlink.net/~gellett/exhaust/index.htm