Product Specifications
Estimated Horsepower Gain    5.19 HP @ 4981 RPM
Replacement Filter    E-3988
Air Filter Color    Red
Product Style    Motorcycle Intake System
Air Filter Height    2.406 in (61 mm)
CARB EO Number    D-269-60
Overall Height    4.25 in (108 mm)
Top Material    Black Powder Coated
Package Quantity    1
Weight    4.3 lb (1.9 kg)

Product Box Height    4.88 in (124 mm)
Product Box Length    12 in (305 mm)
Product Box Width    9.5 in (241 mm)
Mounting Hardware Included    Yes
 

  Installation Instruction Sheet

  Dyno Chart - 2017 Harley Road Glide 107CI - 5.19HP Increase

K&N Applications for RK-3956 Intake System-Harley Davidson        

2023 Harley Davidson FXST Softail Standard 107 107 CI
2023 Harley Davidson FXFBS Fat Bob 114 114 CI
2023 Harley Davidson FXBBS Street Bob 114 114 CI
2023 Harley Davidson FLTRXS Road Glide Special 114 CI
2023 Harley Davidson FLTRX Road Glide 107 CI
2023 Harley Davidson FLTRT Road Glide 3 114 CI
2023 Harley Davidson FLTRK Road Glide Limited 114 CI
2023 Harley Davidson FLRT Freewheeler 114 CI
2023 Harley Davidson FLHXS Street Glide Special 114 CI
2023 Harley Davidson FLHX Street Glide 107 CI
2023 Harley Davidson FLHTK Ultra Limited 114 CI
2023 Harley Davidson FLHTCUTG Tri Glide Ultra 114 CI
2023 Harley Davidson FLHRXS Road King Special 114 CI
2023 Harley Davidson FLHCS Heritage Classic 114 114 CI
2023 Harley Davidson FLFBS Fat Boy 114 114 CI
2022 Harley Davidson FXST Softail Standard 107 107 CI
2022 Harley Davidson FXLRS Low Rider S 117 117 CI
2022 Harley Davidson FXFBS Fat Bob 114 114 CI
2022 Harley Davidson FXBBS Street Bob 114 114 CI
2022 Harley Davidson FLTRXS Road Glide Special 114 CI
2022 Harley Davidson FLTRX Road Glide 107 CI
2022 Harley Davidson FLTRK Road Glide Limited 114 CI
2022 Harley Davidson FLSB Sport Glide 107 CI
2022 Harley Davidson FLRT Freewheeler 114 CI
2022 Harley Davidson FLHXS Street Glide Special 114 CI
2022 Harley Davidson FLHX Street Glide 107 CI
2022 Harley Davidson FLHTK Ultra Limited 114 CI
2022 Harley Davidson FLHTCUTG Tri Glide Ultra 114 CI
2022 Harley Davidson FLHT Electra Glide Standard 107 CI
2022 Harley Davidson FLHRXS Road King Special 114 CI
2022 Harley Davidson FLHR Road King 107 CI
2022 Harley Davidson FLHR Road King 107 CI
2022 Harley Davidson FLHCS Heritage Classic 114 114 CI
2022 Harley Davidson FLFBS Fat Boy 114 114 CI
2021 Harley Davidson FXST Softail Standard 107 107 CI
2021 Harley Davidson FXLRS Low Rider S 114 114 CI
2021 Harley Davidson FXFBS Fat Bob 114 114 CI
2021 Harley Davidson FXBRS Breakout 114 114 CI
2021 Harley Davidson FXBBS Street Bob 114 114 CI
2021 Harley Davidson FLTRXS Road Glide Special 114 CI
2021 Harley Davidson FLTRX Road Glide 107 CI
2021 Harley Davidson FLTRK Road Glide Limited 114 CI
2021 Harley Davidson FLSL Softail Slim 107 CI
2021 Harley Davidson FLSB Sport Glide 107 CI
2021 Harley Davidson FLRT Freewheeler 114 CI
2021 Harley Davidson FLHXS Street Glide Special 114 CI
2021 Harley Davidson FLHX Street Glide 107 CI
2021 Harley Davidson FLHTK Ultra Limited 114 CI
2021 Harley Davidson FLHTCUTG Tri Glide Ultra 114 CI
2021 Harley Davidson FLHT Electra Glide Standard 107 CI
2021 Harley Davidson FLHRXS Road King Special 114 CI
2021 Harley Davidson FLHR Road King 107 CI
2021 Harley Davidson FLHCS Heritage Classic 114 114 CI
2021 Harley Davidson FLHC Heritage Classic 107 CI
2021 Harley Davidson FLFBS Fat Boy 114 114 CI
2020 Harley Davidson FLDE Deluxe 107 CI - All
2020 Harley Davidson FLFBS Fat Boy 114 CI - All
2020 Harley Davidson FLHC Heritage Classic 107 CI - All
2020 Harley Davidson FLHCS Heritage Classic 114 CI - All
2020 Harley Davidson FLHR Road King 107 CI - All
2020 Harley Davidson FLHRXS Road King Special 114 CI - All
2020 Harley Davidson FLHT Electra Glide Standard 107 CI - All
2020 Harley Davidson FLHTCUTG Tri Glide Ultra 114 CI - All
2020 Harley Davidson FLHTK Ultra Limited 114 CI - All
2020 Harley Davidson FLHX Street Glide 107 CI - All
2020 Harley Davidson FLHXS Street Glide Special 114 CI - All
2020 Harley Davidson FLRT Freewheeler 114 CI - All
2020 Harley Davidson FLSB Sport Glide 107 CI - All
2020 Harley Davidson FLSL Softail Slim 107 CI - All
2020 Harley Davidson FLTRK Road Glide Limited 114 CI - All
2020 Harley Davidson FLTRX Road Glide 107 CI - All
2020 Harley Davidson FLTRXS Road Glide Special 114 CI - All
2020 Harley Davidson FXBB Street Bob 107 CI - All
2020 Harley Davidson FXBRS Breakout 114 CI - All
2020 Harley Davidson FXFBS Fat Bob 114 CI - All
2020 Harley Davidson FXLR Low Rider 107 CI - All
2020 Harley Davidson FXLRS Low Rider S 114 CI - All
2019 Harley Davidson FLHR Road King 107 CI - All
2019 Harley Davidson FLHTCU Electra Glide Ultra Classic 107 CI - All
2019 Harley Davidson FLHX Street Glide 107 CI - All
2019 Harley Davidson FLSB Sport Glide 107 CI - All
2019 Harley Davidson FLSL Softail Slim 107 CI - All
2019 Harley Davidson FLTRX Road Glide 107 CI - All
2019 Harley Davidson FXBB Street Bob 107 CI - All
2019 Harley Davidson FXFB Fat Bob 107 CI - All
2019 Harley Davidson FXLR Low Rider 107 CI - All
2018 Harley Davidson FLDE Deluxe 107 CI - All
2018 Harley Davidson FLFB Fat Boy 107 CI - All
2018 Harley Davidson FLFBS Fat Boy 114 CI - All
2018 Harley Davidson FLHC Heritage Classic 107 CI - All
2018 Harley Davidson FLHCS Heritage Classic 114 CI - All
2018 Harley Davidson FLHR Road King 107 CI - All
2018 Harley Davidson FLHRXS Road King Special 107 CI - All
2018 Harley Davidson FLHTCU Electra Glide Ultra Classic 107 CI - All
2018 Harley Davidson FLHTCUTG Tri Glide Ultra 107 CI - All
2018 Harley Davidson FLHTK Ultra Limited 107 CI - All
2018 Harley Davidson FLHTKL Ultra Limited Low 107 CI - All
2018 Harley Davidson FLHX Street Glide 107 CI - All
2018 Harley Davidson FLHXS Street Glide Special 107 CI - All
2018 Harley Davidson FLRT Freewheeler 107 CI - All
2018 Harley Davidson FLSB Sport Glide 107 CI - All
2018 Harley Davidson FLSL Softail Slim 107 CI - All
2018 Harley Davidson FLTRU Road Glide Ultra 107 CI - All
2018 Harley Davidson FLTRX Road Glide 107 CI - All
2018 Harley Davidson FLTRXS Road Glide Special 107 CI - All
2018 Harley Davidson FXBB Street Bob 107 CI - All
2018 Harley Davidson FXBR Breakout 107 CI - All
2018 Harley Davidson FXBRS Breakout 114 CI - All
2018 Harley Davidson FXFB Fat Bob 107 CI - All
2018 Harley Davidson FXFBS Fat Bob 114 CI - All
2018 Harley Davidson FXLR Low Rider 107 CI - All
2018 Harley Davidson FXLR Low Rider Custom 107 CI - All
2017 Harley Davidson FLHR Road King 107 CI - All
2017 Harley Davidson FLHTCUTG Tri Glide Ultra 107 CI - All
2017 Harley Davidson FLHTK Ultra Limited 107 CI - All
2017 Harley Davidson FLHTKL Ultra Limited Low 107 CI - All
2017 Harley Davidson FLHX Street Glide 107 CI - All
2017 Harley Davidson FLHXS Street Glide Special 107 CI - All