Question about 1999 Subaru Forester
The small one is a vacum hose which opens the bov when the throttle shuts off, im guessing the one on there vents into the atmosphere and makes the pshhh noise.Your original one has a larger hose aswell which plumbs back into the intake pipe somewhere( there is probably a bung of some sort plugging the hole unless its and aftermarket pipe).i hope this helps.
Posted on Jan 12, 2009
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Posted on Jan 02, 2017
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