Arlen Ness 81-035 Monster Sucker Air Cleaner Kit with Cover - 10-Gauge - Black drive-chaincase-components For high performance applications check

For high performance applications check out our billet aluminum arm (#72110) California Residents WARNING

Skeleton construction

and upper end gaskets

2004-2006 Harley Davidson FXSTI Softail Standard

Kawasaki KRF750 Teryx FI 4x4 LE SGE 2011-2012

Arlen Ness 81-035 Monster Sucker Air Cleaner Kit with Cover - 10-Gauge - Black drive-chaincase-components For high performance applications checkMonster Sucker kit features our patented Big Sucker hidden breather technology and more filter surface area for maximum performance. Hidden breathers are O ringed at the heads and exit out the mouth of the throttle body to provide efficient engine breathing, eliminating the need for any external hoses or hardware. Filter features a built in inverted top to pull in air not only from all sides of the filter but also from the front, which results in more