The last 2 carbides I looked at had a fairly non restricted exhaust as compared to a blade carter or older hammerhead. On the older buggies the exhaust tip was at most 1/2" so you would open it up to about 1 1/4" and the exhaust would flow as much as possible. This made a big differance. On the carbides I have seen the internals look identicle to the blades and like, however the exhaust tip was I believe 1 1/8". If you were to remove the internal baffles it will sound like a broken exhaust. The best I've seen for the carbides would be the universal FMF. This will give you better flow and sound good. TOM
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