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K&N Performance Powersports Cold Air Intake System: Easy Installation, Engineered to Maximize Airflow, Boost Horsepower & Torque, 57-1139S

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Product details

Management number 230445938 Release Date 2026/06/18 List Price US$84.00 Model Number 230445938
Category

K&N FIPK air intakes for select Harley-Davidson Touring motorcycle models increase power by eliminating the restrictive stock OE air cleaner and replacing it with a K&N high-flow air filter and cast aluminum intake tube. These intakes come with a die-cast aluminum throttle-body mounting plate and mounting hardware. K&N high-flow intake systems give your Harley® an aggressive appearance while providing a significant increase in airflow resulting in more power. K&N FIPK air intakes are CARB exempt and street legal in all 50 states.

K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower:  2017-2018 HARLEY DAVIDSON (Road King, Ultra Limited, Street Glide, Freewheeler, Road Glide, Special)57-1139S


  • ULTIMATE LONGEVITY: 10-Year/Million Mile Limited Warranty protects for the life of your vehicle.
  • GUARANTEED INCREASE IN HORSEPOWER: Dyno-tested with up to 50% more airflow than restrictive factory box air filter and intake tube
  • BETTER TOWING: Improves acceleration and uphill performance when towing by improving throttle response.
  • IMPROVED ENGINE SOUND: Hear the power under the hood.
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants
  • EASY MAINTENANCE: No filter cleaning required for up to 100,000 miles
  • EASY TO INSTALL: Bolt-on power in less than an hour with basic hand tools. K&N air intake systems are one of the easiest ways to guarantee an increase in horsepower. 
  • DYNO TESTED: Dyno-tested for a guaranteed increase in horsepower and acceleration with no ECU tune required
  • HIGH QUALITY:
Manufacturer part number 57-1139S
Vehicle make HARLEY DAVIDSON
Vehicle model Road King, Ultra Limited, Street Glide, Freewheeler, Road Glide, Special
Vehicle year 2017, 2018
Vehicle fitment type Specific
Vehicle mount location Engine
Automotive specialty part type Air Intake
Material Aluminum
Brand K&N
Vehicle type Car
Color Multicolor
Features Easy Installation
Items included Air Filter, Intake Tube, Throttle Body Mounting Plate, Mounting Hardware
Automotive parts division Performance
Weight 4.5 lb
Piece count 1
Compatible cars 2017-2018 HARLEY DAVIDSON (Road King
Model 57-1139S

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