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Velocity Stacks....any noticeable difference?

1519 Views 5 Replies 5 Participants Last post by  No Worries
I've noticed that just about every tuner is offering aftermarket velocity stacks along with power gains of around 2-6 horsepower. I was curious if anyone has swapped their's out and if any difference was detected. Thanks.
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I put a set on my bike and took them right off.
I too lost a 1/10th in my bottom end,I still have them and I will exper. with them this next year.They did not do enough on the top end to justify having them in,no 2-6 hp that is for sure.
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