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SKU: SP1581BLK | UPC: 843115022778
Injen 2017-2021 Honda Civic Si 1.5L Black Cold Air Intake SP1581BLK
The Injen SP1581BLK cold air intake system delivers more air to your 2017-2021 Honda Civic Si 1.5L turbo engine for noticeable horsepower gains and sharper throttle response. This bolt-on kit replaces stock intake restrictions with a smooth path for airflow while maintaining safe air fuel ratios across the RPM range. Drivers feel and hear the difference with added power and aggressive engine tone under the hood.
Key Features
- Patented MegaRam Technology: Patents 7,359,795 and 7,669,571 create tuned intake runners for optimal airflow velocity and power delivery at all engine speeds
- Air Fusion Technology: Patents 7,757,548 and 7,721,699 integrate intake tube and filter housing seamlessly for uninterrupted airflow and maximum efficiency
- 6061-T6 Aluminum Intake Tube: Mandrel-bent 3-inch diameter tubing provides smooth uninterrupted path for high-volume airflow with durable black powdercoat finish
- SuperNano-Web Dry Air Filter: Fully serviceable high-flow filter offers 99.3 percent filtration efficiency increased surface area and easy cleaning without oils
- Aggressive Sound Profile: Produces deep throaty intake roar on acceleration that enhances driving experience without drone at cruise
Product Notes
- Easy filter maintenance requires cleaning every 30,000-50,000 miles depending on driving conditions
- Black powdercoat finish resists corrosion and maintains clean appearance in engine bay
- Ships as complete kit with all hardware for direct OEM replacement
Installation Notes
- Professional installation recommended.
- Bolt-on design reuses factory mounting points no cutting or permanent modifications needed
- Includes silicone couplers stainless clamps and all necessary hardware for 1-2 hour install
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2021 | Honda | Civic | Si |
| 2017-2021 | Honda | Civic | Si Coupe |
| 2017-2021 | Honda | Civic | Si Hatchback |
| 2017-2018 | Honda | Civic | Type R |
Why Choose Injen?
- World's first tuned air intake system with four patents on tuning process
- Engineered for safe power gains preserving air fuel ratios without tuning
- Limited lifetime warranty covers defects in materials and workmanship
Frequently Asked Questions
-
Q: Does this fit 2019-2021 Honda Civic Si hatchback models?
A: Yes SP1581BLK fits all 2017-2021 Civic Si sedan coupe and hatchback with 1.5L turbo L15B7 engine direct bolt-on replacement -
Q: What material is the intake tube made from?
A: Precision mandrel-bent 6061-T6 aluminum tubing with durable black powdercoat finish for heat resistance and style -
Q: What warranty comes with this intake?
A: Injen limited lifetime warranty protects against manufacturing defects when installed and maintained properly
Shipping & Handling
- Method: Standard ground shipping
- Availability: In stock - ships same or next business day
- Packaging: Securely boxed with protective foam dimensions 22.5 x 13.5 x 9 inches
- Weight: 7.8 lbs product shipping weight 8.5 lbs
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