SKU: RD1220P | UPC: 843115005115
Injen 1998-1999 Subaru Impreza RS 2.5L Polished Cold Air Intake
Add easy horsepower to your 1998-1999 Subaru Impreza RS with the Injen RD Series RD1220P polished cold air intake. Injen engineers designed and dyno-tested this system for serious bolt-on power gains up to 13 HP and 12 lb-ft torque while maintaining safe air fuel ratios across the powerband. The polished aluminum construction delivers striking engine bay looks alongside performance.
Key Features
- Dyno-Proven Power: Delivers up to 13 HP and 12 lb-ft torque gains at peak RPMs through optimized airflow design and larger intake path.
- Polished Aluminum Tubing: 3-inch mandrel-bent 6061-T6 aluminum pipe provides smooth airflow and durable, attractive finish that resists corrosion.
- SuperNano Dry Filter: High-flow synthetic dry filter captures contaminants without oil for easy cleaning and consistent performance over time.
- Hydro-Shield Technology: Multi-layer synthetic liner repels water to protect the filter and engine during wet conditions.
- Secure Fitment: Precision couplers and clamps ensure vibration-free installation with no need for tuning due to factory-like A/F ratios.
Product Notes
- EPA compliant for legal street use in all 50 states.
- Bolt-on design requires no cutting or permanent modifications to the vehicle.
- Product weight is 7.6 lbs for lightweight performance addition.
Installation Notes
- Professional installation recommended.
- Bolt-on installation takes 1-2 hours with basic hand tools and no ECU tuning required.
- Uses factory mounting points and includes all necessary stainless steel clamps and silicone couplers.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1998-1999 | Subaru | Impreza | RS |
Why Choose Injen?
- Over 20 years developing intake systems with real-world dyno testing.
- High-flow components built from premium materials for long-lasting results.
- Engineered for exact vehicle fitment and balanced power delivery.
Frequently Asked Questions
- Q: Will this fit my 1998 Subaru Impreza RS 2.5L?
A: Yes, the RD1220P is designed specifically for 1998-1999 Subaru Impreza RS models with the 2.5L engine. confirm your exact submodel for compatibility. - Q: What material is the intake tube made from?
A: The main tube is polished 6061-T6 aluminum for strength, heat dissipation, and visual appeal in the engine bay. - Q: What is the warranty on this cold air intake?
A: Injen provides a limited lifetime warranty on the intake tube and a 1-year warranty on the filter against manufacturing defects.
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Securely boxed with protective foam inserts, dimensions 32 x 14 x 12 inches
- Weight: 7.6 lbs product weight, 10 lbs shipping weight





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