




Great news – on this purchase, you'll enjoy a BuildBUX bonus of $4.29.
Regular Price: $505.00 - Instant discount: $75.75 = $429.25
2020-2025 Subaru Outback XT / Wilderness
2020-2025 Subaru Legacy XT
2019-2025 Subaru Ascent
The Perrin Performance Air Oil Separator (AOS) is a premium engine protection system designed specifically for 2020-2025 Subaru Outback XT and Legacy XT turbocharged engines. This high-quality oil separator prevents oil vapor contamination in your intake system, reducing carbon buildup and maintaining optimal engine performance for years to come.
Professional installation recommended. This is a bolt-on upgrade that integrates with the factory PCV system. Installation typically takes 2-3 hours and requires basic hand tools. Periodic maintenance involves draining collected oil through the bottom drain valve approximately every 3,000-5,000 miles depending on driving conditions.
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