Features
All new next generation backing plate design
Increases horsepower and torque
Aluminum backing plate that features zero flat surfaces, every angle of the intake is designed to promote airflow
One-piece aluminum top filter place with integrated air venturi to direct airflow into the throttle body
High performance filters are made from black pre-oiled cotton for the best in airflow and filtration
Filter is washable and reusable

CA Legal. Exempt per CARB Executive Order (E.O.) # D-639-13 for 2023-2024 EFI models only.

Specs
Color/Finish Chrome
Filter Media Material Pre-Oiled Cotton
Product Name Air Cleaner
Design Stage I / Beveled
Model Big Sucker
Material Aluminum
Riding Style Street
Base Color Silver
Units Kit

Package info
Weight 3.25 lbs
Height 5.5
Length 9
Width 7.75

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

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 10-Gauge style custom outer cover

10-Gauge outer air cleaner cover is CNC machined from billet aluminum
All-New next generation backing plate design
Increases Horsepower & Torque
Black Pre-Oiled High Performance Filter
Patent Pending aluminum backing plate that features zero flat surfaces, every angle of the intake is designed to promote airflow
One-Piece Aluminum top filter place with integrated air venturi to direct airflow into the throttle body
Finish: Chrome
Fitment: '24-Later FLHX / FLTRX / FLTRXSTSE & '23-Later FLHXSE / FLTRXSE Touring models
California Air Resource Board: Executive Order D-639-13

Kit Components (BOM)
Backing Plate Assembly:
Aluminum Backing Plate: 600-300-1B
Aluminum Filter Ring, Chrome: 600-300-2C

Intake Ring: 600-300-4

Performance Air Filter:
Performance Air Filter: 50-090
Air Filter Aluminum Top Plate w/ Air Venturi: 600-300-2R

Hardware Kit: Hardware & Gaskets
Backing Plate Mounting Bolts, Socket Head 3/8-16 x 1.5" (2): 600-300-6
Throttle Body Mounting Bolts, Custom Socket Head 1/4-20 x .75 (3): 600-300-5

Throttle Body Gasket: 600-300-10
Filter Ring Gasket: 600-300-3
Filter Ring Mounting Bolts, Flat Head 10-24 x .5 (6): 600-300-7
Filter Top Plate Hardware, Socket Heads ¼ - 20 x 2.25 (2): 600-300-9

Breather Hose Fitting, Black: 600-300-8

Air Cleaner Outer Cover:
10-Gauge Stage 1 Cover, Chrome