10-Gauge chrome plated billet aluminum outer cover. Chrome backing plate. Comes with an exposed performance synthetic black air cleaner element for good looks and excellent performance. Note: This synthetic black air filter element requires no oil. To service; just clean and rinse. Do not use oil.

10-Gauge black anodized billet aluminum outer cover. Black backing plate. Comes with an exposed performance synthetic black air cleaner element for good looks and excellent performance. Note: This synthetic black air filter element requires no oil. To service; just clean and rinse. Do not use oil.

Chrome plated billet aluminum. The Ness Monster Sucker air cleaner comes with the largest filter surface area of all aftermarket 90ř air cleaners; which translates to: ''The best breathing 90ř air cleaner on the market!'' It allows this filter to keep-up with air-demands from bone stock all the way up to massive horsepower spitting engines. Filter elements are constructed from water-resistant synthetic material. After cleaning; just rinse and do not oil. Rain socks are usually no longer required either. The aluminum body is manufactured from precision forged billet aluminum and CNC machined to the Ness standard where perfection is absolute. Hidden patented internal breathers are used to provide efficient breathing combined with the cleanest looks. Note: An optional rain sock is separately available as 590445; for when riding in adverse weather conditions.

Black anodized billet aluminum with a Contrast Cut machined finish. The Ness Monster Sucker air cleaner comes with the largest filter surface area of all aftermarket 90ř air cleaners; which translates to: ''The best breathing 90ř air cleaner on the market!'' It allows this filter to keep-up with air-demands from bone stock all the way up to massive horsepower spitting engines. Filter elements are constructed from water-resistant synthetic material. After cleaning; just rinse and do not oil. Rain socks are usually no longer required either. The aluminum body is manufactured from precision forged billet aluminum and CNC machined to the Ness standard where perfection is absolute. Hidden patented internal breathers are used to provide efficient breathing combined with the cleanest looks. Note: An optional rain sock is separately available as 590443; for when riding in adverse weather conditions.

Black anodized billet aluminum with a Contrast Cut machined finish. The Ness Monster Sucker air cleaner comes with the largest filter surface area of all aftermarket 90ř air cleaners; which translates to: ''The best breathing 90ř air cleaner on the market!'' It allows this filter to keep-up with air-demands from bone stock all the way up to massive horsepower spitting engines. Filter elements are constructed from water-resistant synthetic material. After cleaning; just rinse and do not oil. Rain socks are usually no longer required either. The aluminum body is manufactured from precision forged billet aluminum and CNC machined to the Ness standard where perfection is absolute. Hidden patented internal breathers are used to provide efficient breathing combined with the cleanest looks. Note: An optional rain sock is separately available as 590443; for when riding in adverse weather conditions.

Black anodized billet aluminum with a Contrast Cut machined finish. The Ness Monster Sucker air cleaner comes with the largest filter surface area of all aftermarket 90ř air cleaners; which translates to: ''The best breathing 90ř air cleaner on the market!'' It allows this filter to keep-up with air-demands from bone stock all the way up to massive horsepower spitting engines. Filter elements are constructed from water-resistant synthetic material. After cleaning; just rinse and do not oil. Rain socks are usually no longer required either. The aluminum body is manufactured from precision forged billet aluminum and CNC machined to the Ness standard where perfection is absolute. Hidden patented internal breathers are used to provide efficient breathing combined with the cleanest looks. Note: An optional rain sock is separately available as 590443; for when riding in adverse weather conditions.

Chrome plated billet aluminum. The Ness Monster Sucker air cleaner comes with the largest filter surface area of all aftermarket 90ř air cleaners; which translates to: ''The best breathing 90ř air cleaner on the market!'' It allows this filter to keep-up with air-demands from bone stock all the way up to massive horsepower spitting engines. Filter elements are constructed from water-resistant synthetic material. After cleaning; just rinse and do not oil. Rain socks are usually no longer required either. The aluminum body is manufactured from precision forged billet aluminum and CNC machined to the Ness standard where perfection is absolute. Hidden patented internal breathers are used to provide efficient breathing combined with the cleanest looks. Note: An optional rain sock is separately available as 590443; for when riding in adverse weather conditions.

Chrome plated billet aluminum. The Ness Monster Sucker air cleaner comes with the largest filter surface area of all aftermarket 90ř air cleaners; which translates to: ''The best breathing 90ř air cleaner on the market!'' It allows this filter to keep-up with air-demands from bone stock all the way up to massive horsepower spitting engines. Filter elements are constructed from water-resistant synthetic material. After cleaning; just rinse and do not oil. Rain socks are usually no longer required either. The aluminum body is manufactured from precision forged billet aluminum and CNC machined to the Ness standard where perfection is absolute. Hidden patented internal breathers are used to provide efficient breathing combined with the cleanest looks. Note: An optional rain sock is separately available as 590443; for when riding in adverse weather conditions.

Chrome plated billet aluminum. The Ness Monster Sucker air cleaner comes with the largest filter surface area of all aftermarket 90ř air cleaners; which translates to: ''The best breathing 90ř air cleaner on the market!'' It allows this filter to keep-up with air-demands from bone stock all the way up to massive horsepower spitting engines. Filter elements are constructed from water-resistant synthetic material. After cleaning; just rinse and do not oil. Rain socks are usually no longer required either. The aluminum body is manufactured from precision forged billet aluminum and CNC machined to the Ness standard where perfection is absolute. Hidden patented internal breathers are used to provide efficient breathing combined with the cleanest looks. Note: An optional rain sock is separately available as 590443; for when riding in adverse weather conditions.

- Plain backing plate - For use with the OEM round air cleaner cover - Stage 1 red pre-oiled filter element. The best and simplest performance air cleaner kit for your bike... period. Gain up to 21% horsepower by simply installing a Big SuckerT kit on your intake. Backing plates: The Big Sucker aluminum backing plates feature a radiused inlet to optimize airflow for both carburetor and fuel injection applications. The built-in breathing system features hidden channels to prevent the use of unsightly exposed breather hoses and fittings.