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• Street legal in most US States and comes with a million mile limited warranty
• Over sized conical filters replace OEM filter and air box are and is washable and reusable
• More usable power and acceleration throughout the engine's RPM range; Estimated horse power gain claimed by manufacturer 8.17 hp @ 4,807 rpm

• Plus air filter / housing / fuel filter
• FOR A HONDA GX390 13 hp ENGINE.
• NEW QUALITY AFTERMARKET CARBURETOR

• S&B Filters tests its product to a higher standard in order to develop filters that improve airflow, protect the engine and permit more horsepower and throttle response.
• Better airflow from an S&B Air Filter can also improve your fuel economy 1-2 mpg
• S&B air filters are made thicker to fill out your air box fully, packing more material into each filter

• S&B air filters are made thicker to fill out your air box fully, packing more material into each filter
• S&B Filters tests its product to a higher standard in order to develop filters that improve airflow, protect the engine and permit more horsepower and throttle response.
• S&B Air Filters are reusable for a lifetime-just clean the filter every 40,000-50,000 miles with S&B's cleaning kit (sold separately)

• S&B air filters are made thicker to fill out your air box fully, packing more material into each filter
• Better airflow from an S&B Air Filter can also improve your fuel economy 1-2 mpg
• S&B Filters tests its product to a higher standard in order to develop filters that improve airflow, protect the engine and permit more horsepower and throttle response.