2012 wr450

have stock wr450f with tailpipe peashooter removed..what tune should I use to get best all around performance..have programmable tuner and currently using aussie tune..any netter recomendations?

Best performance will come from changing the modes for the different types of riding you do.

Best performance will come from changing the modes for the different types of riding you do.

Best performance will come from changing the modes for the different types of riding you do.

+1

And get a real silencer.

And get a real silencer.

The stock one can be modified if you're on a budget.

If not a good slip on helps. Not a lot, but it's noticeable.

I am skeptical about the expansion chamber headers as the stocker already has one.

I have the stock silencer modified with the pea shooter removed and aftermarket insert installed. is the stock header the same as the fmf powerbomb? it looks the same. is it worth the money for full exhaust or just replace the stock silencer with fmf and use stock header?

Modified by making bigger holes in the baffles inside. You can't make it run with half inch diameter tubes.

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