June 7, 201510 yr The 2.2 Impreza engine I bought has this hose that is suppose to go into the air box but the 2003 Forester does not have a place to plug it in but does have a mold mark where that hose can go. So should I just plug it or drill out the air box then put a barbed fitting in it. If you look at the pic you can see the hose and the mold in the air box
June 7, 201510 yr Yeah just drill the hole and put a barb fitting on there. It does need than hose for proper PCV operation.
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