Moroso Small Body Air/Oil Separator Catch Can Subaru STI 2004-2007 / WRX 2006-2007 w/ FMIC | 85654 Vehicle Model_4Runner Improves exhaust flow and efficiency

Improves exhaust flow and efficiency

ABW Motorsports WRC Front bumper for your Subaru WRX are made from fiberglass

Part #: XA18850+4405GMB

Accessory fittings are hard anodized

Moroso Small Body Air/Oil Separator Catch Can Subaru STI 2004-2007 / WRX 2006-2007 w/ FMIC | 85654 Vehicle Model_4Runner Improves exhaust flow and efficiencyEvery factory PCV system vents crankcase vapor, oil mist, and moisture straight back into the intake manifold. On a boosted Subaru, that's oil residue building up in the intake tract and on the valves over time, and it's efficiency lost at the intercooler with every heat cycle. This Moroso twin small body catch can plumbs into the PCV system and pulls that oil mist and moisture out before it ever reaches the intake, keeping the intake tract cleaner