Description
The K&N 57-0686 57i Series induction kit is engineered to enhance your vehicle’s air and fuel delivery system. This kit is specifically designed to eliminate the size restrictions of the factory air box, allowing for improved airflow with lower restriction compared to standard replacement filters. The open-air design of the larger air filter maximizes airflow while capturing more dirt, extending the service life before cleaning is necessary, up to 100,000 miles.
This induction kit features a filter that can be directly attached to the engine carburetor or throttle body, or it can be connected through a tube assembly. The components of the kit, including adapters, are made from high-quality materials such as steel, aluminum, silicon, or reinforced nylon, ensuring longevity and reliability. The K&N 57i Series induction kit is a practical choice for those looking to enhance their vehicle’s air intake system.
Features
- Designed to free your car from factory air box size restrictions
- Larger air filter for increased airflow and dirt capture
- Filter service life extends up to 100,000 miles before cleaning
- Includes high-quality adapters made from steel, aluminum, silicon, or reinforced nylon
- Filter can be attached directly to the engine or via a tube assembly
- Washable air filter for easy maintenance
- Mass air flow sensor adapter included
Frequently Asked Questions
What is included in the K&N 57-0686 kit?
The kit includes a larger air filter, high-quality adapters, and a mass air flow sensor adapter.
How often should the air filter be cleaned?
The air filter can last up to 100,000 miles before requiring cleaning.
What materials are used in the construction of the kit?
The adapters are made from steel, aluminum, silicon, or reinforced nylon.
Manuals & Instructions
âš WARNING (California Proposition 65): WARNING: Cancer and Reproductive Harm – www.p65warnings.ca.gov

Not CARB approved. This item is not legal for sale or use on pollution-controlled motor vehicles in California or states that adopt California emissions standards. Intended for off-road / competition use where permitted by law.













