Will 03 wr250f FMF "Q" fit an 04 wr450f ?

Will 03 wr250f FMF "Q" fit an 04 wr450f ?

The pipe will physically bolt on good, but is it the same Q pipe FMF sold for the 450 or will it be too restrictive ?

I can't find dyno charts, where I can find them ?

How is the power compared to the pro-moto billet insert ?

What are the sound dB on the Q and the pro-moto insert ?

I called FMF and they say yes. They were very helpful. I should have thought of calling them sooner

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