Has anyone replaced the 9 inch filter on the fipk with a 12 inch or larger filter. If so, was their a noticeable increase in performance or any fitment issues.:beer: :beer:
k+n fipk
- Thread starter apache driver
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i dont see there being any goins over a 9" (i run one) some of the 500/500 eaton cars are using just a 9"
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