Are you sure you have the right filter and it is fully screwed onto its fitting so it is not permitting unfiltered air to bypass the filter. Cross-threaded? Just a guess.
Gary and Dee, Zowie and Bowie (traveling cat sibs)
2019 Cornerstone 45B, X15-605hp, Imperial, Spartan K3,
2013 Honda CR-V toad, Demco Excali-Bar II,
Demco Baseplate, Demco Toad Light system, 73 de W5FI