Arlen Ness, Stage 1 Big Sucker air cleaner kit. OEM cover

Black anodized one-piece aluminum backing plate.
Used with OEM air cleaner cover with single central bolt (excl. 08-17 Dyna, see note).
The Big Sucker™ Stage I performance intake adds horsepower and torque. The next generation patent-pending hidden breather system is O-ringed at the heads, passes through the backing plate and exits inside the mouth of the throttle body through proprietary shooter tubes.
- Without cover
- Takes all Arlen Ness Stage air 1 cleaner covers
- Takes a custom round air cleaner cover with central mount hole, minimum ID 6-1/4" (159mm)
- Increases horsepower and torque
- With black pre-oiled air cleaner element
Note: 08-17 Dyna will require a custom outer air cleaner cover with a minimum inner diameter of 6-1/4" (159mm).