Active filters
High-flow Monster Sucker® air cleaner with hidden breather technology and a reusable, water-resistant synthetic filter.
Big Sucker hidden-breather air cleaner with increased filter area, water-resistant synthetic filter, reusable—rinse and re-use.
Big Sucker hidden breather design for efficient engine breathing.
Expanded filter surface area for increased airflow and performance.
Water-resistant, oil-free filter — rinse and reuse.
High-flow Monster Sucker® air cleaner with hidden breathers and a reusable, water-resistant synthetic filter; includes Arlen Ness forged billet cover.
Big Sucker hidden-breather design with increased filter surface area, water-resistant synthetic media, reusable—no oil required.
Hidden-breather design with increased filter surface area for improved airflow and performance.
Rinse-to-reuse filter media, no oil required.
High-flow Monster Sucker® air cleaner kit with hidden breather design for improved engine breathing and simple maintenance.
Big Sucker “hidden breather” design with increased filter surface area for improved airflow and performance. Water-resistant, reusable filter; just rinse and re-use. Includes forged billet-style cover.
Complete Stage 1 intake kit with hidden breather backing plate and performance filter for improved airflow and oil control.
Stage 1 air filter kit with O-ringed breathers, oil-return ventilation, and washable, reusable pre-treated cotton filter media.
Forged billet aluminum air cleaner with a clear hard-coated viewing window and a high-flow, washable cotton filter.
Clear-top air cleaner kit with radius inlet and washable, reusable filter; complete hardware included.