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2017 Harley-Davidson® 107CI FL Models Gain Power from the 63-1139 Intake

The K&N 63-1139 intake installed on a Harley 107CI V-twin

The 63-1139 intake is the embodiment of style and performance

You’ve heard it – life holds no guarantees. Well life may not, but K&N does. After you bolt on the 63-1139 performance air intake, you will get more power – guaranteed. You will also get aggressive styling, as well as top-notch filtration.

Performance

The stock air intake on the 2017 Harley-Davidson® 107CI FL models restricts airflow. The 63-1139 performance air intake opens up the lungs on that big V-twin, and that increase in airflow adds the potential for a substantial performance boost.

An example of the estimated power increase is revealed in the dyno charts that K&N’s testing showed when the 63-1139 was installed on an otherwise stock 2017 107CI Harley-Davidson Road Glide. The intake bumped up the Glide’s muscle by almost 3.5 estimated horsepower at just over 4400 RPM. Just as importantly, the intake unleashed an estimated 5 foot-pounds of torque at the acceleration sweet spot of approximately 3600 RPM.

Parts view of the K&N 63-1139 intake kit

Everything that is needed for easy installation is included in the 63-1139 kit

That estimated power increase comes with the added bonus of an aggressive intake growl. That sweet sound adds to the total visceral riding experience.

Design and Style

The forward-sweeping, cast aluminum high-performance intake tube cuts a mean and aggressive profile on the right side of the 2017 Harley FL models. The matte black finish is accented with a brushed aluminum K&N logo and raised horizontal ridges. That intake tube houses an internal velocity stack and innovative built-in breathers.

The 63-1139 performance air intake is capped off with a K&N high-flow cotton gauze air filter. The exposed conical filter element leaves no doubt that your Harley is fitted with the ultimate in performance and protection.

The K&N 63-1139 intake bottom view

The sweeping bend of the the 63-1139 intake allows a massive flow of air

Installation and Care

The installation of the intake is a straight-forward process. When assisted by K&N’s clear and detailed instructions and basic hand tools, the installation takes about 90 minutes. That’s it.

The occasional cleaning of the washable and reusable air filter element is a simple process using a kit like the K&N 99-5050. K&N’s engineers have made both the fitting and care of the 63-1139 a snap.

Applications

The 63-1139 performance air intake fits the Harley models in the list below. For all of your filter needs, consult K&N’s online application tool.

2017 HARLEY DAVIDSON FLTRXS ROAD GLIDE SPECIAL 107 CI - All Models
2017 HARLEY DAVIDSON FLTRX ROAD GLIDE 107 CI - All Models
2017 HARLEY DAVIDSON FLTRU ROAD GLIDE ULTRA 107 CI - All Models
2017 HARLEY DAVIDSON FLRT FREEWHEELER 107 CI - All Models
2017 HARLEY DAVIDSON FLHXS STREET GLIDE SPECIAL 107 CI - All Models
2017 HARLEY DAVIDSON FLHX STREET GLIDE 107 CI - All Models
2017 HARLEY DAVIDSON FLHTKL ULTRA LIMITED LOW 107 CI - All Models
2017 HARLEY DAVIDSON FLHTK ULTRA LIMITED 107 CI - All Models
2017 HARLEY DAVIDSON FLHTCUTG TRI GLIDE ULTRA 107 CI - All Models
2017 HARLEY DAVIDSON FLHR ROAD KING 107 CI - All Models


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