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SKU: PSP-ENG-622RD
PERRIN Air Oil Separator – Red – 2022-2025 Subaru WRX
The PERRIN red AOS upgrade for 2022-2025 Subaru WRX (FA24F turbo). High-capacity baffled design with red anodized finish traps oil vapor, prevents blow-by contamination, reduces carbon buildup, and maintains clean intake charge — the ultimate engine protection upgrade for any WRX build seeking improved turbo efficiency, sustained power, reduced detonation risk, and aggressive engine bay styling with PERRIN's signature red finish.
Key Features
- High-Capacity Baffled Design – Effectively separates oil from blow-by vapors before re-entering intake
- Red Anodized Finish – Premium red coating for corrosion resistance and standout engine bay appearance
- FA24F Specific – Engineered for direct fitment on 2022-2025 Subaru WRX 2.4L turbo
- Prevents Oil Contamination – Keeps intercooler, intake valves, and turbo clean for consistent performance
- Easy Installation – Bolt-on replacement with all necessary hardware and fittings included
| Spec | Detail |
|---|---|
| Part Number | PSP-ENG-622RD |
| Brand | PERRIN Performance |
| Type | Air Oil Separator |
| Finish | Red Anodized |
| Compatibility | 2022-2025 Subaru WRX (FA24F 2.4L Turbo) |
| Country of Origin | United States |
| Warranty | PERRIN Limited Lifetime Warranty |
Whats Included
- 1 x PERRIN Air Oil Separator (red anodized)
- All necessary hoses, fittings, and mounting hardware
- Installation instructions
Product Notes
- Designed specifically for 2022-2025 Subaru WRX with FA24F turbo engine
- Prevents oil vapor from coating intake tract and turbo components
- Ideal for stock, tuned, or high-boost WRX applications
Installation Notes
- Bolt-on replacement for factory PCV system components
- Estimated time: 1–2 hours
- Professional installation recommended for proper hose routing and torque
This Part Fits
| Year Range | Make | Model | Trim / Engine | Notes |
|---|---|---|---|---|
| 2022-2025 | Subaru | WRX | All trims | FA24F 2.4L Turbo – Air Oil Separator |
Why Choose PERRIN Air Oil Separators?
- #1 choice for effective blow-by separation on modern turbo Subarus
- Built & tested in the United States
- Chosen by WRX owners for cleaner intake, sustained power, and signature red anodized styling
Frequently Asked Questions
-
Q: Does this fit my 2023 Subaru WRX?
A: Yes, direct fit for 2022-2025 Subaru WRX with FA24F turbo engine. -
Q: Does it require tuning?
A: No, bolt-on design works with stock ECU; gains are noticeable without tuning. -
Q: How often should I drain it?
A: Drain periodically (every oil change recommended) to remove collected oil and maintain performance.
Shipping & Handling
- Method: Ground UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Official PERRIN retail box
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