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K&N Cold Air Intakes for the Harley Davidson FLS Softail Slim

Harley Davidson FLS Softail Slim Aftermarket Cold Air Intakes

Buy now from the K&N Store and get a 100% money back guarantee on any cold air intake!
  • Designed to increase power and torque
  • K&N Million Mile Limited Warranty®
  • Replaces restrictive factory air intake system
  • Easy to install performance
Add more horsepower to your Harley Davidson FLS Softail Slim with a K&N cold air intake.
K&N Powersports Cold Air Intake System
Vehicle DescriptionPart NumberProduct Image 
2017 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2017 Harley Davidson FLS Softail Slim 103 CI FIPK Cold Air Intake
57-1122

Estimated Horsepower Gain
12.92 HP @ 4612 RPM
57-1122 Harley Davidson FLS Softail Slim FIPK Cold Air Intake
List Price: $510.99
Factory Direct Price: $292.99
2017 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2017 Harley Davidson FLS Softail Slim 103 CI FIPK Cold Air Intake
57-1122P

Estimated Horsepower Gain
12.92 HP @ 4612 RPM
57-1122P Harley Davidson FLS Softail Slim FIPK Cold Air Intake
List Price: $555.59
Factory Direct Price: $317.99
2017 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2017 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1122

Estimated Horsepower Gain
12.92 HP @ 4612 RPM
63-1122 Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $483.99
Factory Direct Price: $276.99
2017 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2017 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1122P

Estimated Horsepower Gain
12.92 HP @ 4612 RPM
63-1122P Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $526.19
Factory Direct Price: $300.99
2017 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2017 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1134

Estimated Horsepower Gain
6.11 HP @ 4907 RPM
63-1134 Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $411.09
Factory Direct Price: $349.43
2017 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2017 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1134S

Estimated Horsepower Gain
6.11 HP @ 4907 RPM
63-1134S Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $406.99
Factory Direct Price: $345.99
2016 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2016 Harley Davidson FLS Softail Slim 103 CI FIPK Cold Air Intake
57-1122

Estimated Horsepower Gain
12.92 HP @ 4612 RPM
57-1122 Harley Davidson FLS Softail Slim FIPK Cold Air Intake
List Price: $510.99
Factory Direct Price: $292.99
2016 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2016 Harley Davidson FLS Softail Slim 103 CI FIPK Cold Air Intake
57-1122P

Estimated Horsepower Gain
12.92 HP @ 4612 RPM
57-1122P Harley Davidson FLS Softail Slim FIPK Cold Air Intake
List Price: $555.59
Factory Direct Price: $317.99
2016 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2016 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1122

Estimated Horsepower Gain
12.92 HP @ 4612 RPM
63-1122 Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $483.99
Factory Direct Price: $276.99
2016 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2016 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1122P

Estimated Horsepower Gain
12.92 HP @ 4612 RPM
63-1122P Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $526.19
Factory Direct Price: $300.99
2016 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2016 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1134

Estimated Horsepower Gain
6.11 HP @ 4907 RPM
63-1134 Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $411.09
Factory Direct Price: $349.43
2016 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2016 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1134S

Estimated Horsepower Gain
6.11 HP @ 4907 RPM
63-1134S Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $406.99
Factory Direct Price: $345.99
2015 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2015 Harley Davidson FLS Softail Slim 103 CI FIPK Cold Air Intake
57-1125

Estimated Horsepower Gain
7.78 HP @ 4953 RPM
57-1125 Harley Davidson FLS Softail Slim FIPK Cold Air Intake
List Price: $490.79
Factory Direct Price: $280.99
2015 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2015 Harley Davidson FLS Softail Slim 103 CI FIPK Cold Air Intake
57-1125P

Estimated Horsepower Gain
7.78 HP @ 4953 RPM
57-1125P Harley Davidson FLS Softail Slim FIPK Cold Air Intake
List Price: $526.99
Factory Direct Price: $301.99
2015 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2015 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1125

Estimated Horsepower Gain
7.78 HP @ 4953 RPM
63-1125 Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $502.49
Factory Direct Price: $287.99
2015 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2015 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1125P

Estimated Horsepower Gain
7.78 HP @ 4953 RPM
63-1125P Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $526.69
Factory Direct Price: $301.99
2015 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2015 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1137

Estimated Horsepower Gain
5.35 HP @ 4758 RPM
63-1137 Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $411.09
Factory Direct Price: $349.43
2015 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2015 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1137S

Estimated Horsepower Gain
5.35 HP @ 4758 RPM
63-1137S Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $406.99
Factory Direct Price: $345.99
2014 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2014 Harley Davidson FLS Softail Slim 103 CI FIPK Cold Air Intake
57-1125

Estimated Horsepower Gain
7.78 HP @ 4953 RPM
57-1125 Harley Davidson FLS Softail Slim FIPK Cold Air Intake
List Price: $490.79
Factory Direct Price: $280.99
2014 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2014 Harley Davidson FLS Softail Slim 103 CI FIPK Cold Air Intake
57-1125P

Estimated Horsepower Gain
7.78 HP @ 4953 RPM
57-1125P Harley Davidson FLS Softail Slim FIPK Cold Air Intake
List Price: $526.99
Factory Direct Price: $301.99
2014 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2014 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1125

Estimated Horsepower Gain
7.78 HP @ 4953 RPM
63-1125 Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $502.49
Factory Direct Price: $287.99
2014 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2014 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1125P

Estimated Horsepower Gain
7.78 HP @ 4953 RPM
63-1125P Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $526.69
Factory Direct Price: $301.99
2014 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2014 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1137

Estimated Horsepower Gain
5.35 HP @ 4758 RPM
63-1137 Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $411.09
Factory Direct Price: $349.43
2014 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2014 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1137S

Estimated Horsepower Gain
5.35 HP @ 4758 RPM
63-1137S Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $406.99
Factory Direct Price: $345.99
2013 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2013 Harley Davidson FLS Softail Slim 103 CI FIPK Cold Air Intake
57-1125

Estimated Horsepower Gain
7.78 HP @ 4953 RPM
57-1125 Harley Davidson FLS Softail Slim FIPK Cold Air Intake
List Price: $490.79
Factory Direct Price: $280.99
2013 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2013 Harley Davidson FLS Softail Slim 103 CI FIPK Cold Air Intake
57-1125P

Estimated Horsepower Gain
7.78 HP @ 4953 RPM
57-1125P Harley Davidson FLS Softail Slim FIPK Cold Air Intake
List Price: $526.99
Factory Direct Price: $301.99
2013 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2013 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1125

Estimated Horsepower Gain
7.78 HP @ 4953 RPM
63-1125 Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $502.49
Factory Direct Price: $287.99
2013 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2013 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1125P

Estimated Horsepower Gain
7.78 HP @ 4953 RPM
63-1125P Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $526.69
Factory Direct Price: $301.99
2013 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2013 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1137

Estimated Horsepower Gain
5.35 HP @ 4758 RPM
63-1137 Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $411.09
Factory Direct Price: $349.43
2013 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2013 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1137S

Estimated Horsepower Gain
5.35 HP @ 4758 RPM
63-1137S Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $406.99
Factory Direct Price: $345.99
2012 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2012 Harley Davidson FLS Softail Slim 103 CI FIPK Cold Air Intake
57-1125

Estimated Horsepower Gain
7.78 HP @ 4953 RPM
57-1125 Harley Davidson FLS Softail Slim FIPK Cold Air Intake
List Price: $490.79
Factory Direct Price: $280.99
2012 Harley Davidson FLS Softail Slim 103 CI - Except Lower Fairings
Motorcycle
2012 Harley Davidson FLS Softail Slim 103 CI FIPK Cold Air Intake
57-1125P

Estimated Horsepower Gain
7.78 HP @ 4953 RPM
57-1125P Harley Davidson FLS Softail Slim FIPK Cold Air Intake
List Price: $526.99
Factory Direct Price: $301.99
2012 Harley Davidson FLS Softail Slim 103 CI - All Models
Motorcycle
2012 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1137

Estimated Horsepower Gain
5.35 HP @ 4758 RPM
63-1137 Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $411.09
Factory Direct Price: $349.43
2012 Harley Davidson FLS Softail Slim 103 CI - All Models
Motorcycle
2012 Harley Davidson FLS Softail Slim 103 CI Aircharger Cold Air Intake
63-1137S

Estimated Horsepower Gain
5.35 HP @ 4758 RPM
63-1137S Harley Davidson FLS Softail Slim Aircharger Cold Air Intake
List Price: $406.99
Factory Direct Price: $345.99