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ARH Custom Custom Motorcycle Parts and Accessories ARH Custom Custom Motorcycle Parts and Accessories

Arlen Ness Big Sucker Stage 1 Air Filter Kit In Chrome Finish For Harley Davidson 2018-2023 Softail & 2017-2023 Touring Models (18-317) 10% OFF!

  • Arlen Ness Big Sucker Stage 1 Air Filter Kit In Chrome Finish For Harley Davidson 2018-2023 Softail & 2017-2023 Touring Models (18-317)10%
Now £160.61 inc.VAT
Was £178.46
(Save £17.85)

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Our Price Promise

Seen this item cheaper on another website? Let us try and match it!

We do our upmost to keep our prices competitive but due to the number of items we sell, you may occasionally find a better price advertised elsewhere. If you have seen a cheaper price on another website let us know by filling in this form. If we’re able to match the price, we’ll look to respond via email with a unique discount code within 1 hour (during working hours) so you're not waiting too long.

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Please note:

  1. The item must be identical to the one on our website listing and must show as being available.
  2. Price match applies to items sourced from authorised UK retailers only, not private sellers.
  3. Prices will only be matched from UK based websites with prices in GBP.
  4. ARH Custom reserve the right to price match only one of each item per customer.
  5. ARH Custom reserve the right to withdraw the price match policy at any time.


UK stock Estimated shipping date 25 Jul.

In stock

All orders are shipped out of our UK premises. Estimated shipping date 25 Jul.


1 available in UK warehouse

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  • The all new Big Sucker™Stage I air cleaner for Milwaukee-Eight™engines adds new & improved features to our original industry leading performance intake
  • In addition to our patented hidden breather backing plate technology, we have added an outer lip which wraps around the filter base resulting in a clean look while better securing and protecting the filter element
  • Smooth radius air inlet directs unobstructed air flow straight down the throttle body
  • Arlen Ness' new aluminum filter top plate replaces the traditional stamped steel filter plate and has integrated filter-mounting studs which eliminates the need for additional filter mounting hardware
  • High performance filters are made from black pre-oiled cotton for the best in airflow and filtration. Filter are washable and re-usable; filter re-charge kits are available separately
  • Designed to accept Ness custom covers for exposed look & Softail factory air cleaner covers if noted
  • Backing plates are available in black or chrome finish
  • Each M8 Big Sucker™Stage I kit includes one-piece backing plate, performance filter, filter top, gaskets, and necessary hardware


  • 2017-up FLT M8 models (Arlen Ness Stage I cover required)
  • 2018-up Softail® models


  • Kits specifically designed for 2017-up FLT factory covers are available
  • Kits will accept 2018 Softail FXLR/FLSL/FLDE/FLHC factory air cleaner covers

Specifications +

Color/Finish: Chrome
Units: Kit
Base Finish: Chrome
Product Name: Air Cleaner

Part numbers +

  • 18-317
  • 573489
  • 1010-2498

Fitment +

  • Softail Deluxe - FLDE: 2018-2020
  • Softail Fat Boy 114 - FLFBS: 2018-2024
  • Softail Fat Boy - FLFB: 2018-2020
  • Softail Heritage Classic 114 - FLHCS: 2018-2024
  • Softail Heritage Classic - FLHC: 2018-2022
  • Road King - FLHR: 2017-2022
  • Road King Classic - FLHRC: 2017-2019
  • Road King Special - FLHRXS: 2017-2024
  • Electra Glide Standard - FLHT: 2019-2022
  • Electra Glide Ultra Classic - FLHTCU: 2017-2019
  • Tri Glide Ultra Classic - FLHTCUTG: 2017-2024
  • Tri Glide Ultra Classic CVO/SE - FLHTCUTGSE: 2020-2022
  • Electra Glide Ultra Limited - FLHTK: 2017-2024
  • Electra Glide Ultra Limited Low - FLHTKL: 2017-2019
  • Electra Glide Ultra Limited CVO/SE - FLHTKSE: 2017-2021
  • Electra Glide Revival 114 - FLHT: 2021
  • Street Glide - FLHX: 2017-2023
  • Street Glide Special - FLHXS: 2017-2023
  • Street Glide CVO/SE - FLHXSE: 2017-2024
  • Street Glide ST - FLHXST: 2022-2023
  • Freewheeler - FLRT: 2017-2024
  • Softail Sport Glide - FLSB: 2018-2024
  • Softail Slim - FLSL: 2018-2021
  • Road Glide Limited - FLTRK: 2020-2024
  • Road Glide CVO/SE - FLTRKSE: 2022-2023
  • Road Glide 3 - FLTRT: 2023-2024
  • Road Glide Ultra - FLTRU: 2017-2019
  • Road Glide Custom - FLTRX: 2017-2024
  • Road Glide Special - FLTRXS: 2017-2023
  • Road Glide CVO/SE - FLTRXSE: 2018-2024
  • Road Glide ST - FLTRXST: 2022-2024
  • Softail Street Bob - FXBB: 2018-2022
  • Softail Street Bob 114 - FXBBS: 2021-2024
  • Softail Breakout - FXBR: 2018-2020, 2023
  • Softail Breakout 114 - FXBRS: 2018-2022
  • FXDR 114 - FXDRS: 2019-2020
  • Softail Fat Bob - FXFB: 2018-2021
  • Softail Fat Bob 114 - FXFBS: 2018-2023
  • Softail Low Rider - FXLR: 2018-2020
  • Softail Low Rider 114 - FXLRS: 2020-2024
  • Softail Low Rider ST - FXLRST: 2022-2024
  • Softail Standard - FXST: 2020-2024

Delivery +

All orders are shipped with either DPD, Fedex, UPS, DHL or Royal Mail. The courier used to ship your order is determined by ourselves once your order has been placed and normally depends on the size, volume and the shipping destination. The selected courier for your order will be quoted in your order confirmation email which you will receive once we have processed your order. Once your order has been shipped, this will be confirmed via email and you will receive a tracking number so you can keep an eye on your shipments progress.

Reviews +

Back In Stock Notification

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Shipping Cost

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