Arlen Ness Knuckle Stage 1 Big Sucker Air Cleaner for 2024-2025 Harley – Chrome

Description

Product Description

Arlen Ness Knuckle Stage 1 Big Sucker Air Cleaner for 2024-2025 Harley – Chrome

The Arlen Ness Big Sucker air cleaner has always been a reliable go to for high flow air cleaners. Now available for 2024-Up Touring models! The new Big Sucker™ Stage 1 performance intake for 2024 Touring / Bagger models features an all-new design that is engineered & tested to enhance performance in all riding scenarios. Each backing plate features a radius design from the outer edge of the backing plate to the mouth of the throttle body, resulting in more airflow. This kit includes a CNC machined Knuckle style custom outer cover

Fits: ’24-Later FLHX / FLTRX / FLTRXSTSE & ’23-Later FLHXSE / FLTRXSE Touring models / 2025 Softail Models 

Key Points:

Aluminum Backing Plate: 

• Aluminum backing plate
• Next generation design engineered for increased horsepower & torque 
• All-new aluminum filter ring design covers all mounting bolts & urethane bottom of the performance filter for an ultra clean look 
• Single piece aluminum top filter plate features an integrated air venturi to direct airflow to the throttle body
• Radius air inlet engineered to provide maximum airflow 

Performance Air Filter:

• Made from black pre-oiled cotton 
• Engineered & tested for optimum air flow without sacrificing filtration
• Perimeter flow design brings in air from all sides of the filter while filtering out all harmful debris 
• Washable and re-useable, filter service kits are available 

Air Cleaner Cover:

• Arlen Ness® Stage 1 Knuckle Outer Cover 
• Cover is CNC machined from billet aluminum 
• Features a sculpted shape designed to match the rocker box’s found on your engine
• Finish: Chrome

DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES.

Fitment

2025	Harley-Davidson	Softail Fat Boy FLFB	–	–
2025	Harley-Davidson	Softail Street Bob FXBB	–	–
2025	Harley-Davidson	Softail Heritage Classic FLHC	–	–
2025	Harley-Davidson	CVO Street Glide FLHXSE	–	–
2025	Harley-Davidson	Road Glide Custom FLTRX	–	–
2025	Harley-Davidson	Softail Low Rider S FXLRS	–	–
2025	Harley-Davidson	Softail Low Rider ST FXLRST	–	–
2025	Harley-Davidson	Street Glide EFI FLHX	–	–
2025	Harley-Davidson	Softail Breakout FXBR	–	–
2024-2025	Harley-Davidson	FLTRXSTSE CVO Road Glide ST	–	–
2024	Harley-Davidson	FLHX Street Glide	–	–
2024	Harley-Davidson	FLTRX Road Glide	–	–
2023-2025	Harley-Davidson	FLTRXSE CVO Road Glide	–	–
2023-2024	Harley-Davidson	FLHXSE CVO Street Glide	–	–

Additional Information

SKU

600-308

Emissions Notice Fitment