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Bumps489

best exhaust for 06 yz450f?

11 posts in this topic

I'm putting a Leo Vince on my bike and will post the dyno results soon

I'm sure all of us would like that.:cool: In the meantime, I've had good results from Dr.D. I would really LOVE to see dynographs from all of the major pipe makers side by side.

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I'm sure all of us would like that.:cool: In the meantime, I've had good results from Dr.D. I would really LOVE to see dynographs from all of the major pipe makers side by side.

That would only work if it was an unbiased test between pipes on the same bike/same dyno. I saw a Two brothers dyno sheet that showed a 9 horsepower gain at 6500 rpm's that i find very hard to believe On a yz 450.

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To compare dyno results side by side you really need to have the tests done on the same dyno on the same day. That would be nice to see though. Depending on what you are looking for FMF , Pro Circuit , White Bros, and Dr. D all perform well in different ways. The only issue with White Bros is that they went out of business so you would have nowhere to turn if you had a problem with it. Pro Circuit's customer service is one of the worst that I have ever dealt with. FMF and Dr. D both have excellent customer service, performance, and durability. I would go with one of those two.

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i got the Dr.D on my 06 yz450 and it love it, it gives more power everywhere and if you get the sparkarester with it, it really brings down the noise:thumbsup:

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To compare dyno results side by side you really need to have the tests done on the same dyno on the same day. That would be nice to see though. Depending on what you are looking for FMF , Pro Circuit , White Bros, and Dr. D all perform well in different ways. The only issue with White Bros is that they went out of business so you would have nowhere to turn if you had a problem with it. Pro Circuit's customer service is one of the worst that I have ever dealt with. FMF and Dr. D both have excellent customer service, performance, and durability. I would go with one of those two.

Vance and Hines are taking over White Bothers and will warranty all White Bros pipes.

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