Arlen Ness 600-189 Stage 2 Oval Upgrade Air Filter, Blue
- Stage 2 Oval Performance Air Filter Kits for factory oval HD air cleaners both increase performance & add style to the engine
- Features a performance filter with a pleated top to take in air from the sides & top of the filter for maximum airflow
- Filter cover, spacers & clamps are all CNC machined from billet aluminum
- Performance air filter is made from high-flow black pre-oiled cotton media
- Increased filter height specially designed to increase airflow without reducing leg room
- Over 50% more air filter surface area than paper filters found in factory oval air cleaners
- Dyno testing has shown up to a 3hp increase after installing the upgrade filter on factory displacement M8 engines; up to 5hp gain for 124” big bore M8 engines
- Each filter kit includes a performance filter, billet air cleaner cover, billet spacers & clamps
- Finish: Blue anodize
- Fitment: Oval Screaming Eagle® Ventilator® air cleaners & M8 special / ST models equipped with HD oval Ventilator air cleaner backing plates
*Note: Requires OEM/HD VENTILATOR OVAL BACKING PLATE
California Air Resource Board: Executive Order D-639-12_R-01
