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Old 06-03-2008, 11:07 PM
Larry Navarro's Avatar
Larry Navarro Larry Navarro is offline
Ultimate Warrior
 
Join Date: Dec 1999
Location: Spring(Houston) Tx. USA
Posts: 6,369
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Jay, all my testing is done on the 1/4 mile dyno.
I've tested K&N against paper filters and there is NO difference in performance.
The WFO lid is basically the same design as a pontiac lid so there shouldn't be any performance difference.

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