Perrin Air Oil Separator (Black) - Subaru STI VA
- Regular Price
- $572.00
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- $572.00
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The PERRIN Air Oil Separator traps oil from the crank case vents before it enters the intake, reduces carbon build-up, increases intercooler efficiency, which reduces the chance of performance-robbing detonation.
Please select which intercooler you will be using this with.