ARLEN NESS 10-Gauge Monster Air Cleaner - Black 81-012

If you're running a carbureted Harley, your air intake is either optimizing or restricting your engine's breathing—there's no middle ground. The ARLEN NESS 10-Gauge Monster Air Cleaner eliminates restriction points with patented hidden breather technology and significantly increased filter surface area, delivering measurable airflow gains without external plumbing or fabrication work. This is a bolt-on upgrade that directly improves throttle response and mid-range performance while maintaining a clean, integrated appearance.

• Patented hidden breather design
• O-ringed at cylinder heads
• Breathers exit throttle body
• No external hoses required
• Inverted filter top design
• 360-degree air intake capability
• Synthetic, water-resistant filter
• Reusable, oil-free maintenance
• Forged billet covers included
• 10-gauge construction
• Bolt-on installation
• MPN: 81-012