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SKU: 70020-KH101 | UPC: 4957266275542
HKS Racing Suction Intake Kit 2017-2021 Honda Civic Si
The HKS Racing Suction (RS) intake kit replaces the factory airbox on 2017-2021 Honda Civic Si models with a high-flow dry filter and large-diameter aluminum pipe. This setup draws in cooler, denser air to support the 1.5L turbo engine for quicker throttle response and measurable power gains across the RPM range. Engineered for direct bolt-on fitment, it delivers reliable performance upgrades without modifications.
Key Features
- Dry High-Flow Filter: Captures contaminants while allowing 20% more airflow than stock for consistent engine breathing and longevity.
- 80mm Aluminum Suction Pipe: Smooth, large-diameter piping reduces intake restrictions and turbulence for smoother power delivery.
- Integrated Heat Shield: Aluminum shield with insulation blocks engine bay heat to pull in cooler intake air and prevent power loss.
- Bolt-On Design: Precision-machined brackets ensure perfect alignment with OEM mounting points for easy installation.
- Dyno-Proven Gains: Delivers up to 10hp increase at peak with improved mid-range torque on stock turbo Civic Si.
Product Notes
- Filter is reusable. clean every 20,000 miles with HKS kit for sustained performance.
- Retains factory MAF sensor placement for seamless ECU compatibility.
- Packaged in sturdy box. handles standard ground shipping without damage.
Installation Notes
- Professional installation recommended.
- Requires removal of stock airbox and intake duct. 1-2 hours with basic tools.
- Uses existing OEM couplers and clamps. no additional hardware needed.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2021 | Honda | Civic | Si |
| 2017-2021 | Honda | Civic | Si (FC2) |
Why Choose HKS?
- Decades of Japanese motorsport engineering for street and track applications.
- Rigorous dyno testing ensures real-world power and reliability gains.
- Premium materials built to withstand high-boost turbo conditions.
Frequently Asked Questions
-
Q: Does this fit 2017-2021 Honda Civic Si 1.5T models?
A: Yes, direct bolt-on for all USDM Civic Si (FC2 chassis) with L15B7 engine. no trimming or adjustments required. -
Q: What material is the filter and pipe made from?
A: Dry dual-layer cotton filter element with anodized aluminum pipe and heat shield for corrosion resistance and durability. -
Q: What warranty covers this intake kit?
A: HKS provides 1-year limited warranty against defects. filter media covered for life with proper maintenance.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Secure cardboard box measuring 16 x 12 x 10 inches
- Weight: 4 lbs
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HKS
HKS is a Japanese manufacturer of premium performance parts founded in 1973 that has been at the forefront of turbocharged engine development, producing turbochargers, exhaust systems, engine management, intercoolers, and supporting performance components for some of the most iconic Japanese sports cars ever built. The brand's GT and GTIII turbocharger series, Super Sequential Blow Off Valves, and Racing Suction intake kits are recognized globally as benchmark-quality products that combine Japanese manufacturing precision with decades of motorsport development experience. HKS products are particularly well-known in the Toyota Supra, Mitsubishi Evo, Subaru STI, Nissan GT-R, and Honda NSX communities, where the brand's heritage in building the world's fastest versions of these cars has created a loyal following among enthusiasts who want the best available components. From a simple racing suction kit to a complete GT turbo with intercooler and ECU tune, HKS provides an end-to-end perf...
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