K&N 57 Series Performance Air Intake — 1999–2000 Honda Civic Si
Brand: K&N
Price: $367.99 USD
Purchase details
Fitment: Fitment is not yet verified. Confirm your vehicle and relevant modifications before ordering. Review fitment details.
Availability: Ready to ship — Estimated processing: 1–3 business days
Returns: Review return eligibility.
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Fitment
Fitment is not yet verified. Confirm your vehicle and relevant modifications before ordering.
Description
K&N's 57 Series intake replaces the restrictive factory intake path on the 1999–2000 Civic Si with a reusable high-flow system.
Key features
Manufacturer dyno result: estimated 5.77 hp and 4.1 lb-ft gain on the tested vehicle
High-density polyethylene intake tube
Washable RU-4550 air filter
Estimated 60-minute installation
K&N limited lifetime warranty
Fitment
1999–2000 Honda Civic Si.
Important notes
CARB Executive Order D-269-17; manufacturer lists this application as legal for sale and use in all 50 states.
Dyno results are manufacturer test results and actual gains vary.
Specifications
General
| Manufacturer part number | 57-3512 |
|---|