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Muffler for '06 450EXC

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Hey guys, new to the forum, just recently bought a ktm 450EXC '06 model and thinkin of upgrading the muffler already and wanted to see if anyone else has already done this.

Let me know whats good and anything else youve done to improve performance for this model.

Cheers guys

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the stock muffler makes decent power and is reasonably quiet on the US models. I think you may have to change the header and the muffler to get more power.

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Not a lot of bang for the buck changing the muffler on a KTM. Stock unit is very good.

You can change where the power is in the RPM's with a header change. Most after market headers are smaller tube so it will move the power down in the RPM range.

Some of the best bang for the buck for more power is going to be a big bore kit, Carb. jetting or boring to larger size, head work like oversize KW, different cam, gearing, and flywheel weight.

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