wb alum. pro 2 -07 yam 450

I can get one very cheap and wondering if any of you have any input on the pipe what can I expect little more power here or there or all on top what do you guys think??

I have one on my 06 and 03 and it offers more power everywhere through the entire rpm range...........:thumbsup:

BTW....How Cheap????

About an hour of welding,not to bad..

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