A red Harley-Davidson touring motorcycle equipped with an Arlen Ness Big Sucker Stage 1 Air Cleaner is parked on a street beside a concrete wall topped with a metal fence.

Arlen Ness Big Sucker Stage 1 Air Cleaner for 2017-2025 Harley-Davidson Softail, Trike, and Touring

$199.95

SKU: 109-0517

Add Fuel Tuning Components

Permits adjustment of air/fuel ratio; not for pollution-controlled motorcycles

Add Maintenance Kit

Contains cleaner and oil to maintain filter elements for maximum air flow and filtration

Low stock - 1 item left
Inventory on the way

[{"id":50490043760833,"title":"Chrome\/No Cover—Round","option1":"Chrome\/No Cover—Round","option2":null,"option3":null,"sku":"109-0517","requires_shipping":true,"taxable":true,"featured_image":{"id":50836987150529,"product_id":7666134122689,"position":7,"created_at":"2026-08-12T11:15:13-04:00","updated_at":"2026-08-12T11:15:15-04:00","alt":"A red Harley-Davidson touring motorcycle equipped with an Arlen Ness Big Sucker Stage 1 Air Cleaner is parked on a street beside a concrete wall topped with a metal fence.","width":1000,"height":1000,"src":"\/\/tcbros.com\/cdn\/shop\/files\/109-0517.png?v=1786547715","variant_ids":[50490043760833]},"available":true,"name":"Arlen Ness Big Sucker Stage 1 Air Cleaner for 2017-2025 Harley-Davidson Softail, Trike, and Touring - Chrome\/No Cover—Round","public_title":"Chrome\/No Cover—Round","options":["Chrome\/No Cover—Round"],"price":19995,"weight":1247,"compare_at_price":19995,"inventory_management":"shopify","barcode":"9A1-3","featured_media":{"alt":"A red Harley-Davidson touring motorcycle equipped with an Arlen Ness Big Sucker Stage 1 Air Cleaner is parked on a street beside a concrete wall topped with a metal fence.","id":41932443844801,"position":7,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/tcbros.com\/cdn\/shop\/files\/109-0517.png?v=1786547715"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":50490043826369,"title":"Black\/No Cover—Round","option1":"Black\/No Cover—Round","option2":null,"option3":null,"sku":"109-0518","requires_shipping":true,"taxable":true,"featured_image":{"id":50837104689345,"product_id":7666134122689,"position":9,"created_at":"2026-08-12T11:24:23-04:00","updated_at":"2026-08-12T11:24:25-04:00","alt":"A red Harley-Davidson touring motorcycle equipped with an Arlen Ness Big Sucker Stage 1 Air Cleaner is parked on a street beside a concrete wall topped with a metal fence.","width":1000,"height":1000,"src":"\/\/tcbros.com\/cdn\/shop\/files\/109-0518.png?v=1786548265","variant_ids":[50490043826369]},"available":true,"name":"Arlen Ness Big Sucker Stage 1 Air Cleaner for 2017-2025 Harley-Davidson Softail, Trike, and Touring - Black\/No Cover—Round","public_title":"Black\/No Cover—Round","options":["Black\/No Cover—Round"],"price":19995,"weight":1247,"compare_at_price":19995,"inventory_management":"shopify","barcode":"9A1-3","featured_media":{"alt":"A red Harley-Davidson touring motorcycle equipped with an Arlen Ness Big Sucker Stage 1 Air Cleaner is parked on a street beside a concrete wall topped with a metal fence.","id":41932561187009,"position":9,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/tcbros.com\/cdn\/shop\/files\/109-0518.png?v=1786548265"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":50490043859137,"title":"Natural\/No Cover—Wedge","option1":"Natural\/No Cover—Wedge","option2":null,"option3":null,"sku":"109-0519","requires_shipping":true,"taxable":true,"featured_image":{"id":50837161115841,"product_id":7666134122689,"position":10,"created_at":"2026-08-12T11:27:06-04:00","updated_at":"2026-08-12T11:27:08-04:00","alt":"A red Harley-Davidson touring motorcycle equipped with an Arlen Ness Big Sucker Stage 1 Air Cleaner is parked on a street beside a concrete wall topped with a metal fence.","width":1000,"height":1000,"src":"\/\/tcbros.com\/cdn\/shop\/files\/109-0519.png?v=1786548428","variant_ids":[50490043859137]},"available":true,"name":"Arlen Ness Big Sucker Stage 1 Air Cleaner for 2017-2025 Harley-Davidson Softail, Trike, and Touring - Natural\/No Cover—Wedge","public_title":"Natural\/No Cover—Wedge","options":["Natural\/No Cover—Wedge"],"price":20995,"weight":1247,"compare_at_price":20995,"inventory_management":"shopify","barcode":"9B1-3","featured_media":{"alt":"A red Harley-Davidson touring motorcycle equipped with an Arlen Ness Big Sucker Stage 1 Air Cleaner is parked on a street beside a concrete wall topped with a metal fence.","id":41932617547969,"position":10,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/tcbros.com\/cdn\/shop\/files\/109-0519.png?v=1786548428"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":50490043728065,"title":"Black\/Wrinkle Black","option1":"Black\/Wrinkle Black","option2":null,"option3":null,"sku":"109-0280","requires_shipping":true,"taxable":true,"featured_image":{"id":34283402428609,"product_id":7666134122689,"position":6,"created_at":"2023-07-06T10:58:25-04:00","updated_at":"2026-08-12T11:19:32-04:00","alt":"A red Harley-Davidson touring motorcycle equipped with an Arlen Ness Big Sucker Stage 1 Air Cleaner is parked on a street beside a concrete wall topped with a metal fence.","width":1000,"height":1000,"src":"\/\/tcbros.com\/cdn\/shop\/files\/109-0280.jpg?v=1786547972","variant_ids":[50490043728065]},"available":true,"name":"Arlen Ness Big Sucker Stage 1 Air Cleaner for 2017-2025 Harley-Davidson Softail, Trike, and Touring - Black\/Wrinkle Black","public_title":"Black\/Wrinkle Black","options":["Black\/Wrinkle Black"],"price":21596,"weight":1247,"compare_at_price":21596,"inventory_management":"shopify","barcode":"7H1-2","featured_media":{"alt":"A red Harley-Davidson touring motorcycle equipped with an Arlen Ness Big Sucker Stage 1 Air Cleaner is parked on a street beside a concrete wall topped with a metal fence.","id":26610834276545,"position":6,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/tcbros.com\/cdn\/shop\/files\/109-0280.jpg?v=1786547972"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}},{"id":50490043793601,"title":"Chrome\/Chrome","option1":"Chrome\/Chrome","option2":null,"option3":null,"sku":"109-0516","requires_shipping":true,"taxable":true,"featured_image":{"id":50837087813825,"product_id":7666134122689,"position":8,"created_at":"2026-08-12T11:23:36-04:00","updated_at":"2026-08-12T11:23:38-04:00","alt":"A red Harley-Davidson touring motorcycle equipped with an Arlen Ness Big Sucker Stage 1 Air Cleaner is parked on a street beside a concrete wall topped with a metal fence.","width":1000,"height":1000,"src":"\/\/tcbros.com\/cdn\/shop\/files\/109-0516.png?v=1786548218","variant_ids":[50490043793601]},"available":true,"name":"Arlen Ness Big Sucker Stage 1 Air Cleaner for 2017-2025 Harley-Davidson Softail, Trike, and Touring - Chrome\/Chrome","public_title":"Chrome\/Chrome","options":["Chrome\/Chrome"],"price":23995,"weight":1247,"compare_at_price":23995,"inventory_management":"shopify","barcode":"9A1-3","featured_media":{"alt":"A red Harley-Davidson touring motorcycle equipped with an Arlen Ness Big Sucker Stage 1 Air Cleaner is parked on a street beside a concrete wall topped with a metal fence.","id":41932544311489,"position":8,"preview_image":{"aspect_ratio":1.0,"height":1000,"width":1000,"src":"\/\/tcbros.com\/cdn\/shop\/files\/109-0516.png?v=1786548218"}},"requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}]

Hassle-free 90 Day Returns

Free USA Shipping for Orders Over $99*

Free Tech Support M-F 8:30am-4:30pm EST

Fast Shipping—No Backorders, No Drop Shipping, No BS

Product Videos

Arlen Ness Big Sucker Stage 1 Air Cleaner for Gen I Milwaukee-Eight

If you've looked at any gathering of Harley-Davidson motorcycles, it's highly likely you've seen a Big Sucker on the side of a few of them. There's a multitude of reasons for that.

Increases horsepower and torque, and really helps unlock the full potential of other power-adders you may have planned for your machine
- Smooth radius at the mouth of the backing plate allows unobstructed, rapid airflow
Can help eliminate breathing issues like unsightly leaks and drips
Black pre-oiled, high-performance air filter included
- Provides superior performance with an altered balance between airflow and filtration
Patent-pending hidden breather system and oil catch reservoir declutters the side of your motorcycle visually
- Reservoir can and should be emptied when servicing the filter element
- Keeps engine cases, tins, and boards clean and oil-free
One-piece aluminum backing plate is beautifully machined, easy to install, and won't flex or warp like plastic can
CA-friendly—exempted under California Air Resource Board exemption D-639-10
Kit contents
- One-piece backing plate
- Breather tubes
- Performance filter element
- Filter cover (not included on No Cover kits)
- Gaskets
- Oil reservoir
- Necessary fasteners
Finish options list backing plate finish followed by the filter cover finish option
- Please see fitment notes for clarity on air cleaner fitment as well as information regarding cover interchange details

Arlen Ness Big Sucker Stage 1 performance intakes for Milwaukee-Eight engines are a standby for experienced motorcycle mechanics, tuners, and riders because they work. The patent-pending hidden breather system passes through the backing plate and exits inside the mouth of the throttle body to help eliminate the drips that come with OE breather systems and air cleaners.

The air cleaner can flow quite a bit of air, so if you're adding parts like cams with bigger lift or duration numbers, ported cylinder heads, or an exhaust with particularly good scavenging capabilities, the Big Sucker is a great choice. It won't suppress the gains made from other performance items like OEM pieces have been known to do in similar situations.

These kits have a variety of cover options depending on model and factory equipment; please see the notes to familiarize yourself with the available options for your motorcycle.

2017-2023 Harley-Davidson Touring with Gen 1 M8 except CVO
2024-2025 Harley-Davidson Road King Special with Gen 1 M8
2024 Harley-Davidson Electra Glide Ultra Limited with Gen 1 M8
2024 Harley-Davidson Road Glide Ultra Limited with Gen 1 M8
2017-2025 Harley-Davidson Trike with Gen 1 M8
2018-2024 Harley-Davidson Softail with Gen 1 M8
Round "No Cover" air cleaner options can be run without a cover, OEM round center-fastener covers (Harley-Davidson calls this the "Classic" air cleaner), or Arlen Ness Big Sucker Stage 1 covers
Wedge "No Cover" (Harley-Davidson calls this the "Ventilator") air cleaner options can be run without a cover or with OE Ventilator covers
Select a round kit if you have a round filter and a wedge kit if you have a wedge filter