K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: 50-State Legal: 2017-2018 HARLEY DAVIDSON (Road King, Ultra Limited, Street Glide, Special, Freewheeler)57-1139
K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: 50-State Legal: 2017-2018 HARLEY DAVIDSON (Road King, Ultra Limited, Street Glide, Special, Freewheeler)57-1139
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K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: 50-State Legal: 2017-2018 HARLEY DAVIDSON (Road King, Ultra Limited, Street Glide, Special, Freewheeler)57-1139

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K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: 50-State Legal: 2017-2018 HARLEY DAVIDSON (Road King, Ultra Limited, Street Glide, Special, Freewheeler)57-1139


  • 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:
Current price is $209.99
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  • Free shipping
  • Free 90-day returns

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4.5 out of 5 stars
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Showing 1-2 of 2 reviews

Aug 18, 2021
Jamie
5 out of 5 stars review

Easy install

Easy install, great performance. It feels like my Street Bob can finally breathe. Quicker power buildup now, and I actually start to lose traction if I really gun it. Love the performance and the look

Review from K and N Filters
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Aug 11, 2022
Ed C.
4 out of 5 stars review

Nice air intake

Nice intake. Built solid. The finish may look a bit grey and not black but still looks good. Wish the nuts for the final assembly were a little bit larger. They are a bit hard to fit but overall this is a nice intake.

Review from K and N Filters
Helpful?6OQUOQN89C9T816264684