Page 88 - Arlen Ness 2020 Catalog

BACKING PLATE FEATURES

Patent - Pending Hidden Breather Technology Aluminum Design
Our hidden breather system is o-ringed at the heads, One-piece design with integrated performance
passes through the machined channels inside of the backing features. Shaped to fit the factory FLT air cleaner
plate, and exists inside the mouth of the throttle body cover and fit a full perimeter flow air filter design
through patent-pending “shooter” tubes. to bring in maximum airflow.

Patent - Pending Oil Catch Aluminum Filter Top Plate
New integrated oil catch ensures no engine breather oil Formed aluminum top plate has integrated studs
ever ends up on your filter, restricting airflow. Oil catch’s that eliminate the need for any additional
bolt-on design allows it to be services when its time to mounting hardware and an air venturi that
service the air filter. forces air into the engine.

BIG SUCKER™ AIR CLEANERS FOR FACTORY COVER, 17-UP FLT
The Big Sucker™ Performance Air Cleaner for Milwaukee-Eight® (M8) 17-Up Baggers
is specially designed to pull in the most air possible under the factory air cleaner cover.
The backing plate features a new patent-pending hidden breather system and a formed
aluminum internal design resulting in more performance with no oil blow-by issues. The
newly integrated patent-pending oil catch makes sure no oil ever touches the massive
perimeter-flow air filter.
4 Increases horsepower, torque & mileage
4 Eliminates oil blow-by issues associated with performance intakes on M8 engines

4 Red pre-oiled high performance filter is washable

4 Patent-pending oil catch/reservoir
4 Patent-pending hidden breather backing plate
4 Aluminum filter top plate design eliminates internal mounting hardware and
BLACK features a specially formed air venturi that directs airflow into the radius air inlet
STAGE I BIG SUCKER™ FOR 17-Up FACTORY COVER*
18-457 17-Up FLT, Standard backing plate $ 159.95
18-458 17-Up FLT, Chrome backing plate $ 169.95
ENGINE & EXHAUST Standard Backing Plate Black Backing Plate REPLACEMENT FILTER* $ 59.95
$ 169.95
18-459 17-Up FLT, Black backing plate

18-088 17-Up FLT, Replacement filter

86 *These air cleaners have received a California Executive Order (Executive Order D-639-8)