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HMF Competition Series Exhaust On 2007 RM-Z250

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Published on Sep 9, 2010

New 2010 HMF Competition series exhaust on my bike. I have an aftermarket fmf header on my rmz so it took a couple hours to get the 2 pipes to fit together but once i got it on i was impressed. The HMF pipe looks amazing and sounds soo much better. Idling it's a little louder but not that noticeable. but when riding (and especially in the high rmp's) its super loud.

I haven't jetted it yet, but even without jetting it i can feel a nice low-mid range performance increase. Definitely brings the front end of the bike up easier!

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