Description
The K&N 57S-4902 Performance Airbox is engineered to replace the factory air filter and air box, allowing for improved airflow to your engine. This performance airbox is designed to reduce air flow restriction while smoothing and straightening the air flow, enabling your engine to draw in a larger volume of air compared to the factory assembly.
With the K&N 57S-4902, you benefit from a conical K&N high-flow air filter and a fully enclosed injection molded air box that includes an intake pipe connecting to the factory air intake hose. The air box features a removable lid for easy access to the filter for cleaning, ensuring optimal performance. The air filter can be utilized for up to 100,000 miles before servicing is necessary, depending on driving conditions. This performance airbox is designed for straightforward installation using commonly available tools.
Features
- Includes a conical K&N high-flow air filter
- Fully enclosed injection molded air box
- Removable lid for easy filter access and cleaning
- Intake pipe connects to factory air intake hose
- Air filter can be used for up to 100,000 miles before servicing
- Easy installation with commonly available tools
- Backed by K&N’s Million Mile Limited Warranty
Frequently Asked Questions
What is included in the K&N 57S-4902 Performance Airbox?
The kit includes a conical K&N high-flow air filter, a fully enclosed injection molded air box, and an intake pipe.
How often do I need to service the air filter?
The air filter can be used for up to 100,000 miles before servicing, depending on driving conditions.
Is the installation of the K&N 57S-4902 difficult?
The installation is relatively easy and can be done with commonly available tools.
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.










