Best 2007 yz 450f exhaust?

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Oct 8, 2007
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#1
I think im going to go out a by myself an aftermarket exhaust. What exhaust will give me the most hp increase and sound good doing it? Thanks
 
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Oct 19, 2006
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#4
Aftermarket cams and some cylinder porting would give significantly more power gains for for not much more than the cost of a complete exhaust. Why don't you start there? Afterall, there is nothing inherently wrong with the stock exhaust.
 
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Mar 26, 2007
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#5
76GMC1500 said:
Aftermarket cams and some cylinder porting would give significantly more power gains for for not much more than the cost of a complete exhaust. Why don't you start there? Afterall, there is nothing inherently wrong with the stock exhaust.

Wrong! It isn't carbon fiber and doesn't have stickers on it!
 
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#8
you want more power out of a 450??

twist the throttle.

but really get the suspension set up. you will be faster.


PS and i hope when you say sound good you mean quiet. the last thing the world needs is another loud bike
 

150rguy

I got fat bars!
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#9
flyingfuzzball said:
but really get the suspension set up. you will be faster.
I second that. I would my money toward suspension first. After you get it done and get it all set up right you'll be kicking yourself that you didn't get it done along time ago.