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BerkshireBullet

exhaust modification 06 yz450

12 posts in this topic

I was wondering if anyone has heard anything about cutting the stock pipe and making it a few inches shorter to obtain more low end power. Is this true? Does it work? Thanks, Cobber.

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Seen it, heard it, rode it, 3"inches off of stock on an 06, difference is negligible at best, it does get substantially louder. Only good excuse I can see is looks and/or just to shorten the exhaust up to get more room in the timber. I have had tree bark on mine more than once and hanging so far out back makes them pretty easy to bend up in a crash.

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Seems like it would be convenient. I flipped my bike catwalking in 4th yesterday and my exhaust got pretty beat up. I would love to make it shorter, but don't want my bike to be too loud. A bit more low end grunt would always be nice too, but I don't want to lose top.

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Seems like it would be convenient. I flipped my bike catwalking in 4th yesterday and my exhaust got pretty beat up. I would love to make it shorter, but don't want my bike to be too loud. A bit more low end grunt would always be nice too, but I don't want to lose top.

Any other thoughts on this, has anyone else tried it?

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I'm thinking about shortening the stock pipe on my bike when I have it.. On the EU models its so VERY VERY long..

Is it good, bad?..

:crazy:

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Come on guys these bikes are loud enough! Do us all a favor and don't cut your exhaust down and geez no one and I mean no one needs more low end power. :ride::crazy: the bikes are loud enough and if anything they need to mack less noise. :ride:

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Is there any way to take of the end cap of the YZ's exhaust. Have a spark arrestor screen that would fit but can't figure out how to take the end cap off on the new '06. :crazy:

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I'm thinking about shortening the stock pipe on my bike when I have it.. On the EU models its so VERY VERY long..

Is it good, bad?..

:crazy:

Lol, like the 05 US model? Those things were beasts.

Shorting won't affect nothing, but you pry won't gain anything really. I would save the hassel and say don't do it, but I just don't like cutting and welding, sanding, etc...I stick with changing oil, jetting, cleaning my bike, you know...the basic. :ride:

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Come on guys these bikes are loud enough! Do us all a favor and don't cut your exhaust down and geez no one and I mean no one needs more low end power. :ride::crazy: the bikes are loud enough and if anything they need to mack less noise. :ride:

You said it. Anything that makes this bike louder will only hurt our sport. I put a quiet insert in mine and I think it helped the low end! It sure made it easier to ride and for me that makes it faster. A 06 yz450f is all the bike anyone needs, except maybe Chad Reed. Join a gym, ride with people faster, whatever. But please DON'T do anything to make it louder... please.

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Come on guys these bikes are loud enough! Do us all a favor and don't cut your exhaust down and geez no one and I mean no one needs more low end power. :ride::crazy: the bikes are loud enough and if anything they need to mack less noise. :ride:

We recently lost a track in the area because of noise...

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