FunnelWeb Proline Air Filter for Kawasaki KX250F, KX450F, KX250X and KX450X – FWF PRO 7801

FunnelWeb Filter uses a unique pyramid profiled foam. This design vastly improves the dirt holding capacity while delivering consistent optimum air flow. All FunnelWeb Filters utilize the latest technology in open cell polyurethane foam profiling, this substantially increases the filter’s surface area enabling it to trap far more dirt on its outside surface preventing harmful dust from penetrating through. *Works with any foam air filter oil.

The FUNNELWEB Proline Air Filter is designed for select Kawasaki motocross and off-road motorcycles, including the KX250F, KX450F, KX250X and KX450X. Manufacturer part number FWF PRO 7801 and vendor part number 90-07801 identify this replacement foam air filter. It is engineered to support dependable engine protection and consistent airflow in demanding riding environments.

FunnelWeb uses a unique pyramid-profiled foam construction developed with open-cell polyurethane foam profiling technology. This design increases the filter’s effective surface area, allowing it to capture more dirt on the outer surface before harmful dust can pass through. The result is improved dirt-holding capacity while maintaining consistent, optimized airflow for reliable engine performance.

Feature: Pyramid-profiled foam construction improves dirt-holding capacity
Feature: Open-cell polyurethane foam technology increases effective filtration surface area
Feature: Helps trap harmful dust on the filter’s outside surface
Feature: Delivers consistent airflow for demanding motocross and off-road use
Feature: Compatible with any foam air filter oil
Feature: Designed as a replacement air filter for select Kawasaki models

Fitment includes 2019 Kawasaki KX450F; 2020 Kawasaki KX450F; 2021 Kawasaki KX250F, KX450F, KX250X and KX450X; and 2022 Kawasaki KX250F, KX450F, KX250X and KX450X. Verify the motorcycle model and year before installation. The FUNNELWEB Proline Air Filter is supplied as a performance-focused replacement component for riders who need effective filtration and durable foam construction.

Features:

• Pyramid-profiled foam construction improves dirt-holding capacity
• Open-cell polyurethane foam technology increases effective filtration surface area
• Helps trap harmful dust on the filter’s outside surface
• Delivers consistent airflow for demanding motocross and off-road use
• Compatible with any foam air filter oil
• Fits select Kawasaki KX250F, KX450F, KX250X and KX450X models from 2019 through 2022

Fitment:
2019 Kawasaki KX450F
2020 Kawasaki KX450F
2021 Kawasaki KX250F
2021 Kawasaki KX250X
2021 Kawasaki KX450F
2021 Kawasaki KX450X
2022 Kawasaki KX250F
2022 Kawasaki KX250X
2022 Kawasaki KX450F
2022 Kawasaki KX450X
2023 Kawasaki KX250F
2023 Kawasaki KX250X
2023 Kawasaki KX450F
2023 Kawasaki KX450X
2024 Kawasaki KX250F
2024 Kawasaki KX250X