Thanks, Ian. I made N+1 attempt and finally managed to get it on.. Just on same moment when i was about to say "oh whatever" and put paper one back on 8).

I know i wouldnt get any serious improvement by airfilter alone - that would be far too easy way . I just want to see what all the fuss about airfilters 8) Exeprimental science...

Rickster43: naah.. i doubt they are different, i just think its my, my dumb luck and previous owners of truck (i got it for second owner, according to carfax report )

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Thanks folkz.. Its on and kicking now..