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SKU: 70020-AH111 | UPC: 4957266275535
HKS RS Air Intake System 2017-2021 Honda Civic Hatchback Si FK7 L15B/L15C
The HKS RS Intake System replaces the factory airbox on 2017-2021 Honda Civic Hatchback Si models with L15B/L15C turbo engines. This bolt-on upgrade draws in cooler denser air for sharper throttle response and noticeable horsepower increases across the rev range. Civic enthusiasts choose it for reliable gains without cutting or fabrication.
Key Features
- Large Capacity Airbox: 42 percent more volume than stock captures high volume airflow at high RPM for sustained power delivery
- 3-Layer Dry Hybrid Filter: Polyurethane base with dual cotton layers traps dirt while allowing 30 percent higher airflow than OEM filter
- Super Funnel Intake: Bell-mouth design and 110mm diameter funnel accelerate air speed into turbo for reduced lag
- Heat Shield Design: Insulated box blocks engine bay heat pulls cold air from front for denser charge and consistent performance
- Wet Flow Option Compatible: Filter convertible to wet type for dusty conditions with simple oil application
Product Notes
- Filter cleaning required every 10000 miles or sooner in dusty environments
- Use only HKS filter oil for wet conversion to avoid ECU sensor issues
- Packaged in reinforced box for damage-free delivery
Installation Notes
- Professional installation recommended.
- Bolt-on fit uses stock mounting points completes in 30-45 minutes
- Retains factory MAF sensor and couplers no tuning required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2021 | Honda | Civic Hatchback | Si |
| 2016-2021 | Honda | Civic | FK7 L15B/L15C JDM |
Why Choose HKS?
- 50 years JDM engineering heritage trusted by racers worldwide
- Dyno-tested designs deliver verified power on stock turbo setups
- CNC-machined prototypes ensure exact OEM fitment every time
Frequently Asked Questions
-
Q: Will this fit 2022 or newer Civic Hatchback Si?
A: No this kit fits only 10th generation 2017-2021 Civic Hatchback Si FK7 chassis with L15B7/L15C turbo engine -
Q: What filter material does it use?
A: Triple-layer dry filter with polyurethane frame dual cotton elements for high flow low restriction washable reusable -
Q: Does installation void warranty or need ECU tune?
A: Direct OEM replacement retains factory sensors no tune needed HKS covers defects under standard warranty
Shipping & Handling
- Method: UPS Ground or FedEx Ground
- Availability: In stock - ships same or next business day
- Packaging: Reinforced cardboard box 19.3 x 14.6 x 8.7 inches
- Weight: 4.4 lbs product 5.1 lbs shipping
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