Description
The ARLEN NESS Monster Air Cleaner delivers measurable airflow improvements through patented hidden breather technology and significantly expanded filter surface area—critical upgrades for engines demanding unrestricted intake flow. By eliminating external hoses and complex routing, this system simplifies installation while maximizing volumetric efficiency. If you’re serious about extracting every performance increment from your engine, this is engineered for results, not aesthetics.
- Patented hidden breather technology
- O-ringed at cylinder heads
- Exits through injector/carb mouth
- No external hoses required
- Inverted filter top design
- 360-degree air intake capability
- Synthetic, water-resistant filter
- Reusable, no oil needed
- Rinse and reuse maintenance
- Forged billet covers optional
- Covers sold separately
- MPN: 81-010






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