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Greg Holford

who makes 07wr450f exhuast

6 posts in this topic

Dubach

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Big Gun also has a system.

If you get a slip on style you will need an adapter since the WR head pipe is smaller than the YZ's

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I have a White Bros E2 they have a USFS approved spark arrester and are 96db compliant....and it slips over the stock header pipe. Sounds good, but not too loud...:bonk:

Chris

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I have an FMF Q4 in Stainless Steel and have been really pleased with it. Built in USFS Spark Arrestor and plenty of midrange power. Also, not loud like others out there. A nice, deep tone, and a RUUUPPPP! when you lay on the throttle. Installation was a breeze. I used the Slip On version.

Good Luck!

Regards, Dual Fives...

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does any of them make better low end than stock and mid range.tons of top end in stock form for me just looking for more bottom

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does any of them make better low end than stock and mid range.tons of top end in stock form for me just looking for more bottom

I'm going to say the slip-ons are your best bet since they keep the smaller head pipe...

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