O2 RUSH High-Performance Saw-Tooth Foam Air Filter - Maximum Airflow & Dust Protection - Fits Suzuki DR-Z400E / DR-Z400S / DR-Z400SM All Years 2000-2025 - Washable & Reusable (OEM 13780-44E00) Storage Rack 55 lbs (bare tool) reduces

55 lbs (bare tool) reduces fatigue

dramatically increasing airflow while ensuring a leak-proof seal to keep dirt and debris out of your engine

One time only application process

Polisport has been the trusted choice for factory teams and enthusiasts alike

Onboard fuel gauge helps you monitor the charge more accurately for less downtime on the job

O2 RUSH High-Performance Saw-Tooth Foam Air Filter - Maximum Airflow & Dust Protection - Fits Suzuki DR-Z400E / DR-Z400S / DR-Z400SM All Years 2000-2025 - Washable & Reusable (OEM 13780-44E00) Storage Rack 55 lbs (bare tool) reducesExperience superior engine protection and peak performance with the O2 RUSH High Performance Air Filter, trusted by leading race teams in extreme Australian conditions. Its patented Saw Tooth foam design offers double the filtration surface area of standard filters, trapping more contaminants while maximizing airflow for improved power and throttle response. The ultra soft foam seal ensures a perfect, dust proof fit against the air box, preventing air