I Recently bought a FMF Fatty Pipe for my 1994 KDX 200. I would have been impressed, but I first made the stock pipe mod in KDX tech tips section. Yea, maybe the Fatty made the bike rev higher, but otherwise the performance was about the same. I have been thinking about buying a FMF Turbine Core silencer for my KDX, but thought of removing the reverse flow area in my stock silencer before spending the $. What section would I remove (description/picture). Has anyone tried this and recommendations/comments.