07 450 exhaust? have mega bomb header already

was wondering if anyone has the full fmf 4.1 slip on with mega bomb header on a 2007 yz 450. I have the header already but thinking about the pipe now. I know the mag in the shootout said to just do the header but thought I would ask if anyone did the full system and how the like it... Track rider, intermediate, 2005 lbs.

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