K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: 50-State Legal: Fits 2017-2018 HARLEY DAVIDSON (Road King, Ultra Limited, Street Glide, Special, Freewheeler)57-1139
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Features
- 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: Made in America.
Description
K&N air intake systems are engineered for increased performance, outstanding durability, and sleek aesthetics—and are available in an assortment of finishes and powder coatings. K&N’s state-of-the-art High-Flow Air Filter™ helps to shield your engine from contaminants, while a meticulously engineered aerodynamic tube design contributes to a guaranteed increase in horsepower and torque. K&N air intake systems are designed to improve acceleration, towing, and throttle response while providing world class protection for your engine. Our intakes are dyno-tested and provide up to 50% more airflow compared to OEM intake systems. K&N intakes are easy to install and maintain with air filter cleaning required only every 100,000 miles. Vehicle Fitment: 2017-2018 HARLEY DAVIDSON FLHR Road King; 2018 HARLEY DAVIDSON FLHRXS Road King Special; 2017-2018 HARLEY DAVIDSON FLHTK Ultra Limited; 2017-2018 HARLEY DAVIDSON FLHX Street Glide; 2017-2018 HARLEY DAVIDSON FLHXS Street Glide Special; 2017-2018 HARLEY DAVIDSON FLRT Freewheeler; 2017-2018 HARLEY DAVIDSON FLTRX Road Glide; 2017-2018 HARLEY DAVIDSON FLTRXS Road Glide Special
Brand: K&N
Global Trade Identification Number: 73
Shape: Oblong
Manufacturer: K&N Engineering
UPC:
Manufacturer: K&N Engineering
Brand: K&N
Model: Performance Air Intake System
Item Weight: 4.24 pounds
Product Dimensions: 11.75 x 4.88 x 9.5 inches
Country of Origin: China
Item model number: 57-1139
Exterior: Machined
Manufacturer Part Number: 57-1139
Date First Available: January 25, 2019
Frequently asked questions
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