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K&N Air Filters Part #E-0644 Customer Reviews
2 Customer Reviews
Reviewed by Wilburn R (CLEVELAND, TX) — Aug 10, 2018 4:33 AM
When replacing stock filter with K&N filter the canister has a hole in the side in which the stock filter has a section of foam that seals it off but the K&N does not. Hopefully it is okay to leave the hole open. Other than that I could feel the difference in performance. Would like to know if leaving the hole open is okay.
Reviewed by Larry B (Cana, VA) Reviewed for a 2017 Ford F-350 — Feb 20, 2018 7:56 AM
Original filter has foam attached to side of element that covers a hole in the air filter housing. the K&N filter does not have this foam to cover the hole. Contacted K&N, they said the foam is not needed. Using the K&N filter causes a whistling sound at certain speeds.
Ships By 8/20
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- Part #:E-0644