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SKU: SP1209P | UPC: 843116029234
Injen 15-21 Subaru WRX 2.0L 4 Cyl. Polished Cold Air Intake
This Injen SP1209P polished performance air intake system replaces the restrictive factory airbox on 2015-2021 Subaru WRX models with a high-flow design for better throttle response and power delivery. It fits Base, Limited, and Premium submodels equipped with the 2.0L turbocharged engine. Dyno testing confirms gains of 11 HP at 5500 RPM and 12 lb-ft torque at 5000 RPM for noticeable acceleration improvements.
Key Features
- Polished 6061-T6 Aluminum Intake Tube: TIG-welded construction with 3-inch diameter delivers smooth unrestricted airflow while resisting corrosion for long-term durability and a show-quality shine.
- SuperNano-Web Filter: 8-layer oiled cotton gauze media with 99.3% filtration efficiency captures contaminants yet allows maximum air volume for optimal engine performance and reusable design.
- Dyno-Proven Power Gains: Delivers up to 11 HP and 12 lb-ft torque increases verified on Injen's in-house dyno for real-world Subaru WRX performance enhancements across the RPM range.
- Bolt-On Design: Direct fit with no cutting or permanent modifications required using factory mounting points and included stainless steel clamps for straightforward installation.
- Limited Lifetime Warranty: Backed by Injen Technology's comprehensive coverage against defects in materials and workmanship for peace of mind ownership.
Product Notes
- Filter is washable and re-oilable using Injen cleaning kits for extended service life.
- Available in polished (SP1209P), wrinkle black (SP1209WB), or wrinkle red (SP1209WR) finishes to match vehicle aesthetics.
- Special order item. allow additional processing time if not in stock.
Installation Notes
- Professional installation recommended.
- Estimated install time 60-90 minutes with basic hand tools. no tune required for stock ECU.
- All necessary hardware including silicone couplers and clamps provided for complete compatibility.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2015-2021 | Subaru | WRX | Base |
| 2015-2021 | Subaru | WRX | Limited |
| 2015-2021 | Subaru | WRX | Premium |
Why Choose Injen?
- Over 25 years of engineering high-performance intake systems for import tuners.
- Made in the USA with premium materials tested for maximum airflow and filtration.
- Precise fitment developed from direct vehicle prototyping and dyno validation.
Frequently Asked Questions
-
Q: Will this fit my 2015-2021 Subaru WRX STI?
A: No, this SP1209P is designed specifically for WRX 2.0L models (Base, Limited, Premium). STI requires SP1220P due to different engine bay layout. -
Q: What finish options are available for this intake?
A: Polished aluminum (SP1209P), wrinkle black powdercoat (SP1209WB), or wrinkle red powdercoat (SP1209WR) all with identical performance specs. -
Q: What warranty coverage does it include?
A: Injen provides a limited lifetime warranty covering defects in materials and workmanship when installed and maintained per instructions.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Protective cardboard box measuring 26 x 14 x 10 inches
- Weight: 5.3 lbs
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