K&N Engineering 57-3512 Performance Air Intake Kit for 1999-2000 Honda Civic Si

A high-density polyethylene (HDPE) rotationally-molded tube helps increase the volume of airflow to your engine, and provides a guaranteed increase in horsepower and torque. These systems are paired with a washable, reusable High-Flow Air Filter featuring oiled cotton filter media. The oversized, conical design allows you to go up to 100,000 miles between filter services under normal highway driving conditions. A custom heat shield helps protect intake air from the high temperature of your engine bay, and the entire system can typically be installed in less than 90 minutes. Some intakes are not legal for sale or use on any pollution controlled motor vehicle in California. See the product specifications for CARB status on each part for a specific vehicle. K&N's roto-molded cold air intake systems are guaranteed to provide an increase in horsepower and torque, and are protected by the K&N No-Hassle Lifetime Limited Warranty. Associated products: RF-1023DK Air Filter Wrap, RU-4550 Universal Clamp-On Air Filter, 99-5000 Filter Care Service Kit Aerosol

• K&N Million Mile Limited Warranty
• Will not void vehicle warranty

Upgrade the airflow and performance of your 1999-2000 Honda Civic Si with the K&N Engineering 57-3512 Performance Intake Kit. This cold air intake system uses a high-density polyethylene rotationally molded tube designed to increase airflow to the engine, helping deliver gains in horsepower and torque. The oversized conical air filter uses washable, reusable oiled cotton media and can provide service intervals of up to 100,000 miles under normal highway driving conditions.

A custom heat shield helps reduce exposure to hot engine-bay air, supporting cooler intake temperatures and consistent performance. The K&N Engineering 57-3512 is designed for a straightforward installation that can typically be completed in less than 90 minutes using common tools. Its vehicle-specific design helps provide a clean fit while retaining compatibility with the factory engine compartment. The system is backed by the K&N Million Mile Limited Warranty and is designed not to void the vehicle warranty.

This intake is EPA compliant and carries California Air Resources Board Executive Order D-269-17 for applicable vehicle applications. Always confirm the emissions status for your specific vehicle before installation or use. The kit fits select 1999 and 2000 Honda Civic Si applications. Associated products include the RF-1023DK Air Filter Wrap, RU-4550 Universal Clamp-On Air Filter, and 99-5000 Filter Care Service Kit Aerosol.

Product Specifications and Technical Data

• Brand: K&N Engineering
• Part Number: 57-3512
• Product Type: Performance cold air intake kit
• Vehicle Application: 1999-2000 Honda Civic Si
• Tube Material: High-density polyethylene rotationally molded construction
• Filter Type: Washable and reusable conical air filter with oiled cotton media
• Warranty: K&N Million Mile Limited Warranty
• Emissions Information: EPA compliant; CARB Executive Order D-269-17

What's Included

• Rotationally molded intake tube
• Washable, reusable high-flow air filter
• Custom heat shield
• Installation hardware and components

Features:

• High-Flow Performance: Increases airflow to the engine to support improved horsepower and torque.
• Durable Intake Tube: High-density polyethylene rotationally molded construction provides strength and reliable service.
• Reusable Air Filter: Oversized conical filter with oiled cotton media can be cleaned and reused for long-term value.
• Heat Protection: Custom heat shield helps isolate intake air from high temperatures in the engine bay.

Fitments:
1999 Honda Civic CX
1999 Honda Civic DX
1999 Honda Civic EX
1999 Honda Civic GX
1999 Honda Civic HX
1999 Honda Civic LX
1999 Honda Civic Si
1999 Honda Civic Value Package
2000 Honda Civic CX
2000 Honda Civic DX
2000 Honda Civic EX
2000 Honda Civic GX
2000 Honda Civic HX
2000 Honda Civic LX
2000 Honda Civic Si

Air Freight Prohibited: false
Not Carb Approved: false
Carb Eo Number: D-269-17
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: Compliant
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1