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I have a 99 impreza 2.5, i put an open air filter w/a maf adapter on the end of the intake tube... However, i also took the filter out of the top box that comes off the throttle body.. Well , needless to say it wouldn't start..so i figured out that it needed the seal of that filter to seal the box up..so i modified the filter and cut out all of the paper of the seal.. now the car idles really rough, and dies out.. HELP please.