K&N 18-21 Suzuki RMZ450 449 Replacement Air Filter

The K&N High-Flow Air Filter for SxS / ATV, UTV is engineered to increase airflow for improved horsepower, acceleration, and throttle response while protecting your engine. Built with premium oiled cotton gauze, this washable and reusable air filter offers a precision OEM-style fit and rugged construction for long-lasting performance on the trail, in the dunes, or on the job.

Additional Information

The K&N High-Flow Air Filter for SxS / ATV, UTV is engineered to increase airflow for improved horsepower, acceleration, and throttle response while protecting your engine.

Part Type

Engine Air Filter

• BUILT FOR DURABILITY: High dust holding capacity and rugged construction designed to perform in demanding driving conditions.
• Large surface area for long service life
• Low restriction
• Outstanding filtration
• Washable and reusable

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Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information