Looking for the truth... Two Stroke Pipe Dents

[trikeguy2014]

Just for my own curiosity you hear people talking about hurting performance with a dent in a head pipe... Do these dents really hurt anything other then looks... I'm not talking like a crumpled in half pipe just normal dents from riding

[onformula1]

Are you talking about little rock dings from being roosted on or being kicked up from the front tire?

[trikeguy2014]

Probably more the line of like a dent from a log or something while trail riding 210109

Maybe something like this maybe not quite that big... Usually see these dents like behind front tire from bottoming out or something

[trikeguy2014]

Yeah not even that big really... Just had trouble finding a pick on the Internet that you could see what I was talking about

[Toaster556]

Here is by far the best explanation I've ever seen: MXA Pipe dent test (http://motocrossactionmag.com/news/this-much-we-know-the-truth-about-speed-dents-rock-dings-and-pipe-catastrophies).
My 98 RM250 has some roost dings on the belly of the pipe, but I don't feel any gain or loss. Nothing more than 1/4 inch, the FMF that got chucked had several large dents in the headpipe that affected power greatly (between 3/8ths and 1/2 deep).
There's several methods of fixing dented pipes, some DIY, but sometimes it's easier to send it off

[onformula1]

If it was me, I would blow it out.
I have performed tests back to back and found - no difference to a ton of difference, a couple of times the dent helped!...LOL
I removed a dent for a buddy then he re-dented it.