Engineered and proven to give your engine maximum airflow for more horsepower & torque
Each Big Sucker performance filter is handmade in the USA
Urethane is added on the top of the filter to supports the shape and reducing cover vibration
Smooth radius air inlet engineered to provide maximum airflow directly into the engine
One-piece aluminum backing plate
Includes all necessary hardware and instructions
Made in the USA
The Arlen Ness Stage I Big Sucker air cleaner kit is engineered and proven to give your engine maximum airflow for more horsepower & torque. The stage 1 filter design does not increase the size of the air cleaner while significantly increasing/improving air flow over the stock filter. These kits are a great choice bikes running stainless exhaust and other hand finished accessories. The filters are washable and re-useable, with filter service kits available (Sold separately).
Product Line
Arlen Ness Stage I Big Sucker Air Cleaner
Part Number
18-324
Fitment Type
Model-Specific Fitment
Use Type
Unit Sale Qty
Kit
Style
Stage 1 Air Cleaner with Pre-Oiled Red Filter
Size
Position
Material
Aluminum
Color
Chromed Stainless Steel
Finish
Polished Chrome Aluminum Backing Plate
Exhaust Configuration
Muffler Size
Muffler End/Tip Style
California Emissions
FALSE
Product Disclaimer
Fitment Note
Fitment Note
Fitment Note
CARB EO D-639-4 states that the Arlen Ness Stage 1 Big Sucker has beenfound not to reducethe effectiveness of the applicable motorcycle pollution control systems and, therefore, is exempt from the prohibitions of Section 27156 of the Vehicle Code for 2016 and older model year fuel injected Harley-Davidson motorcycles.
