hello guys
i have evo IX and i had one and half year recirc.bov.today i switched to the factory one ,and when im pulling hard the 1 or 2 gear i can hear shwoosh sound by accelerating?what is it?is the bov leaking?or what?
thanks for sme thoughts..

 

i think thats normal. a way to tell if you have a leak is with a boost guage