Gen 1: 2004-2005 velocity stacks - good or bad? - Kawasaki ZX-10R.net
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post #1 of 13 Old 08-29-2012, 01:52 PM Thread Starter
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Question velocity stacks - good or bad?

I knew that velocity stacks have been changed on my bike by the previous owner but could not have a chance yet to check them.

Today I changed my air filter and took a few pictures inside the air box.

Here is what I found. What do you think? Is this good or bad that I found?



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post #2 of 13 Old 08-29-2012, 02:08 PM
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Looks like some custom made ones. I've not seen any that look like those. The taller stacks will give a boost to the midrange.

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post #3 of 13 Old 08-29-2012, 02:26 PM Thread Starter
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The two outer ones look a bit hackish to me as they were cut a little to fit inside the airbox.

That is why I thought they are worse than the original ones but unfortunately I am not really an expert on this area.
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post #4 of 13 Old 08-29-2012, 02:27 PM
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Who does the bike respond to the throttle? Do you have a PC ? If not, then your bike is not runnung normal. Is your bike sluggish at the start? I had 3 sets made for my 05 (different height) and never got it running right w/o a PC. The v stack does make the bike sound evil as hell tho.

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post #5 of 13 Old 08-29-2012, 03:11 PM Thread Starter
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I have no PC on the bike yet.
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post #6 of 13 Old 08-29-2012, 03:16 PM
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Quote:
Originally Posted by giszo View Post
The two outer ones look a bit hackish to me as they were cut a little to fit inside the airbox.

That is why I thought they are worse than the original ones but unfortunately I am not really an expert on this area.
Even the stock velocity stacks are cut away slightly to clear the airbox side walls.

Looks like these were made with a taper rather than a bell-mouth curve. Not ideal, but the difference between this and the ideal shape is likely too small to notice.

My money is on "doesn't make any difference" in this case.


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post #7 of 13 Old 08-29-2012, 03:23 PM
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I would just go get the stock stacks and compare the two as to see how the bike responds. Like you say, you don't have a PC at the moment, my money will be on going with stock stacks and your bike will be running better.

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post #8 of 13 Old 08-30-2012, 01:53 AM Thread Starter
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Thanks for the input, guys!

I will try to grab a set of stock velocity stacks and do some kind of comparison.
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post #9 of 13 Old 08-30-2012, 09:08 AM
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They look really nice I would leave them but clean all those dead bugs and crap out of there where the filter goes!

Its green and it says Kawasaki ninja zx10r on it!
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post #10 of 13 Old 08-30-2012, 09:48 AM Thread Starter
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Quote:
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clean all those dead bugs and crap out of there where the filter goes!
Of course I cleaned the dead things before installing the new filter.
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