November 19th, 2019, 10:04 PM
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#7
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ninjette.org member
Name: John
Location: New Windsor
Join Date: Nov 2019
Motorcycle(s): GSXR 750, GSXR 600, Ninja 400, Ninja 300
Posts: 146
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Quote:
Originally Posted by DannoXYZ
Well.... depends upon what criteria you use to judge "better". K&N got shot down decades ago with data gathered from fleet operations (cabs, trucks, etc.) where it was proven they don't filter as cleanly as OEM filters, causing accelerated wear.
Here's back-to-back dyno-testing of OEM paper filter versus aftermarket filter.
https://www.norton-motorsports.com/2...dyno-shootout/
So aftermarket filters lose on cleaning ability, yet don't provide any improved flow because factory filter is not restriction anyway. |
I always go with an after market air filter since it can be cleaned and re oiled each season. Buy it once and done!
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