Arlen Ness® Big Sucker™ Stage I Air Filter Kit with Cover 18457

Fits 17+ Harley FLHT / FLHR / FLHX / FLTRX / FLTRU / FLTRK / H-D FL Trike. See below for full fitment details.

The Big Sucker™ performance air cleaner for Milwaukee-Eight™ (M8) 17-up FLT Baggers is specially designed to pull in the most air possible under the factory air cleaner cover. The backing plate features a new patent-pending hidden breather system and a formed aluminum internal design resulting in more performance with no oil blow-bye issues. The newly integrated patent-pending oil catch makes sure no oil ever touches the massive perimeter-flow air filter.  

Features:

• Increases Horsepower & Torque 
• Eliminates Oil Blow-bye Issues Associated with M8 Engines
• Red Pre-Oiled High Performance Filter 
• Patent-Pending Oil Catch / Reservoir 
• Patent-Pending Hidden Breather Backing Plate 
• Aluminum Filter Top Plate Design Eliminates Internal Mounting Hardware  
• Specially Formed Radius Air Inlet & Air Venturi 

Finish:

• Black with Natural Backing Plate

Fitment:

• 2021 Harley-Davidson Road Glide Custom FLTRX
• 2021 Harley-Davidson Road King EFI FLHR
• 2021 Harley-Davidson Street Glide EFI FLHX
• 2021 Harley-Davidson CVO Street Glide FLHXSE
• 2021 Harley-Davidson Electra Glide Standard EFI FLHTI
• 2020-2021 Harley-Davidson CVO Tri Glide FLHTCUTGSE
• 2020-2021 Harley-Davidson Road Glide Limited FLTRK
• 2020-2021 Harley-Davidson CVO Road Glide Custom FLTRXSE
• 2020 Harley-Davidson Road King EFI FLHR
• 2020 Harley-Davidson CVO Street Glide FLHXSE
• 2020 Harley-Davidson Street Glide EFI FLHX
• 2020 Harley-Davidson Electra Glide Standard EFI FLHTI
• 2019-2020 Harley-Davidson Electra Glide Police FLHTPI
• 2019 Harley-Davidson Electra Glide Standard EFI FLHTI
• 2018-2019 Harley-Davidson CVO Road Glide Custom FLTRXSE
• 2017-2021 Harley-Davidson Road King Special FLHRXS
• 2017-2021 Harley-Davidson CVO Electra Glide Ultra Limited FLHTKSE
• 2017-2021 Harley-Davidson Electra Glide Ultra Limited FLHTK
• 2017-2021 Harley-Davidson Street Glide Special FLHXS
• 2017-2021 Harley-Davidson Tri Glide Ultra Classic FLHTCUTG
• 2017-2021 Harley-Davidson Freewheeler FLRT
• 2017-2021 Harley-Davidson Road Glide Special FLTRXS
• 2017-2020 Harley-Davidson Road Glide Custom FLTRX
• 2017-2019 Harley-Davidson Electra Glide Ultra Limited Low FLHTKL
• 2017-2019 Harley-Davidson Street Glide EFI FLHX
• 2017-2019 Harley-Davidson Road King EFI FLHR
• 2017-2019 Harley-Davidson Road Glide Ultra FLTRU
• 2017-2019 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI
• 2017-2019 Harley-Davidson CVO Street Glide FLHXSE
• 2017-2018 Harley-Davidson Electra Glide Police FLHTPI
• 1975-1977 Honda CB550F Super Sport