K&N 63-1139 Aircharger Performance Intake — Fits 2017-2018 Harley-Davidson Touring & Softail Models

SKU: KNN63-1139
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Sale price$162.99
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

Boost Your Harley's Performance with the K&N 63-1139 Aircharger Intake

Experience a significant power upgrade for your Harley-Davidson with the K&N 63-1139 Aircharger air intake system. Designed for select 2017-2018 Harley-Davidson Touring and Softail models, this intake replaces the restrictive stock OE air cleaner with a high-flow K&N air filter and a cast aluminum intake tube, delivering enhanced performance and an aggressive look.

Key Features and Benefits:

  • Enhanced Airflow: Eliminates the stock air cleaner's restrictions, allowing for a substantial increase in airflow to the engine.
  • Power Gains: More air translates directly into more horsepower and improved acceleration across the RPM range.
  • Aggressive Appearance: The sleek cast aluminum intake tube and high-flow filter give your Harley a custom, performance-oriented look.
  • High-Quality Filtration: Features a K&N high-flow air filter that provides excellent filtration while allowing maximum air passage.
  • Direct Fit Design: Comes with a die-cast aluminum throttle-body mounting plate and all necessary hardware for a straightforward installation.

Vehicle Fitment:

This K&N Aircharger intake is compatible with a variety of Harley-Davidson models, including:

  • 2017-2018 Touring Models: FLHR, FLHRC, FLHRXS, FLHT, FLHTC, FLHTCU, FLHTCUL, FLHTK, FLHTKL, FLHTCUTG, FLHX, FLHXS, FLRT, FLTRU, FLTRXS
  • 2018 Softail Models: FLDE, FLFB, FLFBS, FLHC, FLHCS, FLHR, FLHRXS, FLSL, FXBB, FXFB, FXFBS, FXLR, FXLRS

Please note: This intake system is not street legal for use in California or states that have adopted California emissions standards.

Get the performance edge you crave with the K&N 63-1139 Aircharger Performance Intake from GGCRACING.

Vehicle Fitment

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

Product Details

Product Description
Part Numbers
Sizing & Fit

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

Boost Your Harley's Performance with the K&N 63-1139 Aircharger Intake

Experience a significant power upgrade for your Harley-Davidson with the K&N 63-1139 Aircharger air intake system. Designed for select 2017-2018 Harley-Davidson Touring and Softail models, this intake replaces the restrictive stock OE air cleaner with a high-flow K&N air filter and a cast aluminum intake tube, delivering enhanced performance and an aggressive look.

Key Features and Benefits:

  • Enhanced Airflow: Eliminates the stock air cleaner's restrictions, allowing for a substantial increase in airflow to the engine.
  • Power Gains: More air translates directly into more horsepower and improved acceleration across the RPM range.
  • Aggressive Appearance: The sleek cast aluminum intake tube and high-flow filter give your Harley a custom, performance-oriented look.
  • High-Quality Filtration: Features a K&N high-flow air filter that provides excellent filtration while allowing maximum air passage.
  • Direct Fit Design: Comes with a die-cast aluminum throttle-body mounting plate and all necessary hardware for a straightforward installation.

Vehicle Fitment:

This K&N Aircharger intake is compatible with a variety of Harley-Davidson models, including:

  • 2017-2018 Touring Models: FLHR, FLHRC, FLHRXS, FLHT, FLHTC, FLHTCU, FLHTCUL, FLHTK, FLHTKL, FLHTCUTG, FLHX, FLHXS, FLRT, FLTRU, FLTRXS
  • 2018 Softail Models: FLDE, FLFB, FLFBS, FLHC, FLHCS, FLHR, FLHRXS, FLSL, FXBB, FXFB, FXFBS, FXLR, FXLRS

Please note: This intake system is not street legal for use in California or states that have adopted California emissions standards.

Get the performance edge you crave with the K&N 63-1139 Aircharger Performance Intake from GGCRACING.

Vehicle Fitment

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

Product Details

Product Description

About K&N Engineering

K&N has been the world's leader in washable, reusable performance air filters since 1969. From the legendary cone filter to complete cold-air intake systems, K&N's cotton-gauze element delivers more airflow than paper while staying serviceable for the life of the vehicle.

Watch in action

Boost Your Harley's Performance with the K&N 63-1139 Aircharger Intake

Experience a significant power upgrade for your Harley-Davidson with the K&N 63-1139 Aircharger air intake system. Designed for select 2017-2018 Harley-Davidson Touring and Softail models, this intake replaces the restrictive stock OE air cleaner with a high-flow K&N air filter and a cast aluminum intake tube, delivering enhanced performance and an aggressive look.

Key Features and Benefits:

  • Enhanced Airflow: Eliminates the stock air cleaner's restrictions, allowing for a substantial increase in airflow to the engine.
  • Power Gains: More air translates directly into more horsepower and improved acceleration across the RPM range.
  • Aggressive Appearance: The sleek cast aluminum intake tube and high-flow filter give your Harley a custom, performance-oriented look.
  • High-Quality Filtration: Features a K&N high-flow air filter that provides excellent filtration while allowing maximum air passage.
  • Direct Fit Design: Comes with a die-cast aluminum throttle-body mounting plate and all necessary hardware for a straightforward installation.

Vehicle Fitment:

This K&N Aircharger intake is compatible with a variety of Harley-Davidson models, including:

  • 2017-2018 Touring Models: FLHR, FLHRC, FLHRXS, FLHT, FLHTC, FLHTCU, FLHTCUL, FLHTK, FLHTKL, FLHTCUTG, FLHX, FLHXS, FLRT, FLTRU, FLTRXS
  • 2018 Softail Models: FLDE, FLFB, FLFBS, FLHC, FLHCS, FLHR, FLHRXS, FLSL, FXBB, FXFB, FXFBS, FXLR, FXLRS

Please note: This intake system is not street legal for use in California or states that have adopted California emissions standards.

Get the performance edge you crave with the K&N 63-1139 Aircharger Performance Intake from GGCRACING.

Vehicle Fitment

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

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