Moroso Small Body Air/Oil Separator Catch Can Subaru STI 2004-2007 / WRX 2006-2007 w/ FMIC | 85654 Vehicle Model_4Runner Accessory fittings are hard anodized

Accessory fittings are hard anodized

Enhanced engine longevity

Durable Construction - Built from high-quality materials to withstand engine bay heat cycles and vibration

This system features 5" black chrome on T-304 stainless steel tips

Adds Longevity

Moroso Small Body Air/Oil Separator Catch Can Subaru STI 2004-2007 / WRX 2006-2007 w/ FMIC | 85654 Vehicle Model_4Runner Accessory fittings are hard anodizedEvery 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