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• Performance air filter upgrade for factory HD Ventilator oval air cleaners
• 22% more air filter surface area than factory
• The increase in airflow provided by the filter results in a 3 horsepower gain on factory displacement M8 engines, up to 5 horsepower gain for 124" big bore M8 engines
• Includes spacers and everything needed for simple installation
• Fits oval Screaming Eagle® Ventilator® air cleaners and M8 special models equipped with oval air cleaners