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Perrin Performance [08-14 Subaru Impreza, 15-21 WRX, STI] Replacement Foam Filter
Perrin Replacement Foam Filter for 2008‑2021 WRX/STI is a direct replacement air filter element designed for the PERRIN cold air intake systems used on Subaru WRX and STI models from 2008 through 2021. It’s built to maintain strong airflow while trapping dust and debris better than a standard paper filter, keeping the engine breathing clean air without complex install steps.
- Designed specifically for 2008–2021 Subaru WRX and STI applications with PERRIN intake systems
- Open-cell foam construction with specially oiled media for dirt capture and minimal airflow loss
- Two-piece design allows removal of the foam element for cleaning and reuse
- Washable and reusable filter media extends service life compared with disposable paper filters
- Simple installation that doesn’t require tools or tuning adjustments
- Fits intake systems accepting a ~2.75-inch inner diameter filter
- Includes one replacement foam filter element
This replacement element preserves airflow while enhancing particulate capture compared with basic stock filters, letting the engine continue to pull clean air efficiently as part of regular maintenance of your intake system.
Ships within 1-2 business days.
100% Genuine Parts
Fitment Guaranteed
Perrin Performance [08-14 Subaru Impreza, 15-21 WRX, STI] Replacement Foam Filter
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FAQs
Please read our FAQs page to find out more.
Are OEM products more expensive than aftermarket alternatives?
OEM products might have a higher upfront cost compared to aftermarket parts, but their superior quality and durability often make them a more cost-effective choice over time. Investing in OEM ensures you’re getting parts specifically designed for your vehicle, which can lead to better performance and longevity.
Can I purchase OEM parts online or do I need to visit a dealership?
You don’t need to visit a dealership to get OEM parts. You can conveniently purchase genuine OEM components from authorized distributors and reputable online retailers like Turbo Tech Performance. Our online store provides a wide selection of high-quality parts delivered straight to your door.
Are parts from brands like Mopar, ACDelco, and Motorcraft interchangeable between different vehicle brands?
No, parts from Mopar, ACDelco, and Motorcraft are typically designed for specific vehicle brands. It’s crucial to ensure compatibility with your vehicle’s make and model by checking part numbers and consulting with a knowledgeable expert.
Can I install OEM parts myself, or is it better to have a professional handle it?
While some OEM parts can be installed by DIY enthusiasts, the complexity of installation can vary. For the best results and to ensure proper fitment and performance, we recommend having a trained mechanic install the parts, especially if you’re unfamiliar with automotive repairs.
Do OEM parts come with a warranty?
Yes, many OEM auto parts come with a manufacturer’s warranty that covers defects or issues. Be sure to check the warranty details for each part at the time of purchase, and keep your receipt for any potential warranty claims.