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Twin Air Products
Twin Air Filters

Twin Air Dual-Stage Air Filters

Twin Air filters provide unsurpassed
air filtration for powersports applications

Twin Air offers the number-one air filtration system for powersports applications. Twin Airís patented filtration design, high-quality materials and superior construction deliver unbeatable performance and protection. Twin Air filters are the choice of more world and national motocross champions than all other filters combined.

Solid Construction

Twin Air filters are constructed from two layers of open-pore foam that are bonded together to provide maximum filtration and superior airflow. A coarse-foam outer shell is fused with a fine-foam inner core, resulting in a one-piece design that is both functional and durable. It provides continuous filtration and airflow while protecting engines from dirt, dust and sand.

The Twin Air Advantage

Twin Air air filters provide motorcycles and ATVs with maximum intake protection in any riding conditions. The coarse open-pore foam catches airborne dirt, grime and sand, while the fine open-pore inner foam acts as a second filter to trap the smallest particles while ensuring maximum air passage. Twin Air air filters are constructed with an exclusively formulated adhesive that withstands repeated cleanings. Their thick, flat-foam greaseless sealing ring ensures maximum contact with the airbox while acting as a breathable gasket for increased air passage. Unlike competitorsí two piece designs, Twin Air air filtersí fused outer and inner elements prevent dirt and grime from being lodged between layers, preventing trapped particles from restricting airflow and keeping even the tiniest dirt particles from entering an engine and destroying cylinders and piston rings.

Cleaning Products

AMSOIL also offers several Twin Air filter cleaning and oiling products.

Liquid Power Filter Oil starts thin for a deep, even penetration, then dries to an even coating. This high-tack shield traps dirt, grit and dust.

Liquid Bio Power biodegradable air filter oil is the first biodegradable air filter oil that works in all riding conditions. Liquid Bio Power prevents dirt, dust and even water from entering carburetors. Its alcohol base allows easy, even penetration, then dissipates quickly to form a super-sticky, dirt-grabbing shield. Available in spray or liquid form.

Liquid Dirt Remover is formulated to quickly cut through Liquid Power, loosen the dirt and flush filters clean. It will not harden or damage filter foam.

Liquid Bio Dirt Remover is a biodegradable air filter cleaner. It can be used with a washing machine or when washing by hand in a bucket. Liquid Bio Dirt Remover is a granular water-soluble leaner that can go right down the drain without clogging or harming the environment.

Spray Contact Cleaner is designed to clean the air box and surrounding areas. It quickly and effectively removes excess dirt and grime.

The System

The System is the full filter care solution. This filter cleaning kit comes with everything needed to clean Twin Air air filters in a sturdy storage box complete with carrying handles. Each kit includes a Twin Air cleaning tub, oiling tub, Liquid Dirt Remover, Liquid Power Filter Oil, contact cleaner and rubber gloves.

The cleaning tub is resealable and comes with a filter tray that allows dirt to sink to the bottom, away from filters. The oiling tub allows filters to be submerged for easy, even oiling. When not in use, the oiling tub is resealable, enabling users to save unused filter oil.

  • Standard Twin Air dual-stage foam filter has 45 pores per inch (PPI) on the outer and 60 PPI on the inner foam
  • Total thickness of the foam layers when bonded together equals 15mm
  • Twin Air foam layers are not glued together, they are laminated
  • The lamination process does not restrict airflow between the two layers
  • Twin Air foam is open cell polyester foam
Twin Air Filters for Motorcycles
Twin Air Logo Twin Air Bio Logo


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