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Air oil separator kit for the late model Subaru platforms. Includes all parts need to complete the installation. AOS is fully serviceable.
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Radium Engineering 2015+ Subaru STi Air Oil Separator-Return Kit
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Sale price
$427.45 USD
Regular price
$449.95 USD
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2020 | Subaru | WRX STI | Base |
| 2015 | Subaru | WRX STI | Launch Edition |
| 2015-2020 | Subaru | WRX STI | Limited |
| 2016 | Subaru | WRX STI | Series.HyperBlue |
| 2018 | Subaru | WRX STI | Type RA |
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