K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: 2001-2017 HARLEY DAVIDSON (Street Bob, Fat Bob, Low Rider, Wide Glide, Switchback, other select models)57-1125P

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.

Retail Price: $ 271.12

Wholesale Price: Inquire Now

K&N, Cold Air Intakes, Horsepower, Air Filter, Ford, Chevy, Dodge, Toyota

K&N Performance Air Intake Systems

How does a K&N High Flow Intake System increase horsepower?

By eliminating airflow obstruction in your engine. Restriction of air flow between an air filter and an engine robs even the most powerful engine of horsepower. K&N air intake kits virtually eliminate air path restriction by replacing the standard air filter and the entire air path to the engine. Put all this together and you have the best high-flow intake system available today.


Designed to Increase Horsepower K&N is one of the leaders in high quality performance cold air intake systems for car and trucks. We feel it is one of the best dollars to horsepower investments you can make for your vehicle. Our first air intake kit was built in 1992. K&N manufactures over 500 different part numbers and our team of engineers are constantly designing, building and testing new air intake systems.	Oversized Washable High-Flow Air Filter K&N starts with the largest conical shaped high-flow air filter that fits into the engine compartment using factory holes and mounting points. This extra filter size provides even more airflow at lower restriction than a standard K&N O/E replacement filter that is limited to the size of the factory air box. The oversized air filter also captures and holds more dirt increasing the service life before a cleaning is required (up to 100,000 miles).	Easy to Install with Basic Hand Tools K&N air intakes are very easy to install on your car or truck. A typical air intake installation can be done with a screwdriver, pliers and a ratchet-set in 90 minutes or less! K&N specifically engineers their intake kits to use existing factory holes and mounting points, making installation simple. The vast majority of K&N cold air induction systems do not require any cutting or drilling.


Protect Your Engine State-of-the-art filtration system features thousands of microscopic cotton fibers. Innovative design of layered, oiled cotton media helps to shield your engine from contaminants.	Improve Engine Sound A satisfying growl upon acceleration, yet quiet once at speed. Removes stock baffles and soundproofing components from the engine bay.	Precision Engineered Precision engineered to increase horsepower and torque over the OEM intake system.

Also Available: K&N Cabin Air Filters

The K&N Washable Cabin Air Filter is the first of its kind designed to replace your vehicle's stock cabin air filter with a washable and reusable version that cleans and freshens incoming air. K&N Cabin Air Filters are designed to be cleaned and reused over and over again. Using a combination of an advanced synthetic filter media and K&N Refresher spray, the K&N Washable Cabin Air Filter grabs and holds dust particles.

Also available: K&N Wrench Off Oil Filters

K&N Oil Filters provide outstanding filtration levels and a high oil flow rate. They are also great with synthetic and conventional oils!

Also available: K&N OE Replacement Air Filters

K&N automotive replacement air filters are designed to add horsepower and acceleration to your car or truck by providing up to 50% more air flow to your engine. More air flow can result in crisper throttle response and more torque throughout the engine RPM range. K&N air filters are made up of multiple layers of oiled cotton filter media that not only provide superior air flow but also excellent filtration to ensure long engine life.

Also available: K&N Recharger Kits

K&N air filter cleaning kits are composed of a six-step maintenance system designed to clean any K&N oiled cotton air filter. Cleaning and re-applying filter oil to your K&N air filter restores air flow efficiency so that it looks and operates like new again. The K&N Recharger Filter Care Service Kit includes K&N air filter oil and K&N Power Kleen air filter cleaner.

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K&N Cold Air Intake Kit: High Performance, Guaranteed to Increase Horsepower: 2001-2017 HARLEY DAVIDSON (Street Bob, Fat Bob, Low Rider, Wide Glide, Switchback, other select models)57-1125P

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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: 2007-2017 HARLEY DAVIDSON FXDB Street Bob; 2008-2017 HARLEY DAVIDSON FXDF Fat Bob; 2007-2017 HARLEY DAVIDSON FXDL Dyna Low Rider; 2017 HARLEY DAVIDSON FXDLS Low Rider S; 2007-2017 HARLEY DAVIDSON FXDWG Dyna Wide Glide; 2012-2016 HARLEY DAVIDSON FLD Switchback; 2012-2015 HARLEY DAVIDSON FLS Softail Slim; 2007-2015 HARLEY DAVIDSON FLSTC Heritage Softail Classic; 2007-2015 HARLEY DAVIDSON FLSTF Fat Boy; 2010-2015 HARLEY DAVIDSON FLSTFB Softail Fat Boy Lo; 2007-2015 HARLEY DAVIDSON FLSTN Softail Deluxe; 2014-2015 HARLEY DAVIDSON FXSB Breakout; 2007-2014 HARLEY DAVIDSON FXDC Super Glide Custom; 2011-2013 HARLEY DAVIDSON FXS Blackline; 2008-2011 HARLEY DAVIDSON FLSTSB Softail Cross Bones; 2008-2011 HARLEY DAVIDSON FXCWC Rocker C; 2007-2010 HARLEY DAVIDSON FXD Dyna Super Glide; 2007-2010 HARLEY DAVIDSON FXSTB Night Train; 2007-2010 HARLEY DAVIDSON FXSTC Softail Custom; 2008-2009 HARLEY DAVIDSON FXCW Rocker; 2007 HARLEY DAVIDSON FLHR Road King; 2007 HARLEY DAVIDSON FLHRC Road King Classic; 2007 HARLEY DAVIDSON FLHRS Road King Custom; 2007 HARLEY DAVIDSON FLHT Electra Glide Standard; 2007 HARLEY DAVIDSON FLHTC Electra Glide Classic; 2007 HARLEY DAVIDSON FLHTCU Ultra Classic Electra Glide; 2007 HARLEY DAVIDSON FLHX Street Glide; 2007 HARLEY DAVIDSON FLSTSC Softail Springer Classic; 2007 HARLEY DAVIDSON FLTR Road Glide; 2007 HARLEY DAVIDSON FXST Softail Standard; 2007 HARLEY DAVIDSON FXSTD Softail Deuce; 2002-2006 HARLEY DAVIDSON FLHRCI Road King Classic F/I; 2003-2006 HARLEY DAVIDSON FLHRI Road King F/I; 2004-2006 HARLEY DAVIDSON FLHRSI Road King Custom F/I; 2002-2006 HARLEY DAVIDSON FLHTCI Electra Glide Classic F/I; 2002-2006 HARLEY DAVIDSON FLHTCUI Electra Glide Ultra Classic F/I; 2003-2006 HARLEY DAVIDSON FLHTI Electra Glide Standard F/I; 2006 HARLEY DAVIDSON FLHXI Street Glide F/I; 2002-2006 HARLEY DAVIDSON FLSTCI Heritage Softail Classic F/I; 2001-2006 HARLEY DAVIDSON FLSTFI Fat Boy F/I; 2006 HARLEY DAVIDSON FLSTI Heritage Softail F/I; 2005-2006 HARLEY DAVIDSON FLSTNI Softail Deluxe F/I; 2005-2006 HARLEY DAVIDSON FLSTSCI Softail Springer Classic F/I; 2002-2006 HARLEY DAVIDSON FLTRI Road Glide F/I; 2006 HARLEY DAVIDSON FXDBI Street Bob F/I; 2005-2006 HARLEY DAVIDSON FXDCI Dyna Super Glide Custom F/I; 2004-2006 HARLEY DAVIDSON FXDI Dyna Super Glide F/I; 2006 HARLEY DAVIDSON FXDI35 35th Anniv. Super Glide F/I; 2004-2006 HARLEY DAVIDSON FXDLI Dyna Low Rider F/I; 2004-2006 HARLEY DAVIDSON FXDWGI Dyna Wide Glide F/I; 2001-2006 HARLEY DAVIDSON FXSTBI Night Train F/I; 2001-2006 HARLEY DAVIDSON FXSTDI Softail Deuce F/I; 2001-2006 HARLEY DAVIDSON FXSTI Softail Standard F/I; 2001-2006 HARLEY DAVIDSON FXSTSI Springer Softail F/I; 2004-2005 HARLEY DAVIDSON FXDXI Dyna Super Glide Sport F/I; 2001-2003 HARLEY DAVIDSON FLSTSI Heritage Springer F/I

From the manufacturer

K&N Performance Air Intake Systems

How does a K&N High Flow Intake System increase horsepower?


Designed to Increase Horsepower K&N is one of the leaders in high quality performance cold air intake systems for car and trucks. We feel it is one of the best dollars to horsepower investments you can make for your vehicle. Our first air intake kit was built in 1992. K&N manufactures over 500 different part numbers and our team of engineers are constantly designing, building and testing new air intake systems.	Oversized Washable High-Flow Air Filter K&N starts with the largest conical shaped high-flow air filter that fits into the engine compartment using factory holes and mounting points. This extra filter size provides even more airflow at lower restriction than a standard K&N O/E replacement filter that is limited to the size of the factory air box. The oversized air filter also captures and holds more dirt increasing the service life before a cleaning is required (up to 100,000 miles).	Easy to Install with Basic Hand Tools K&N air intakes are very easy to install on your car or truck. A typical air intake installation can be done with a screwdriver, pliers and a ratchet-set in 90 minutes or less! K&N specifically engineers their intake kits to use existing factory holes and mounting points, making installation simple. The vast majority of K&N cold air induction systems do not require any cutting or drilling.


Protect Your Engine State-of-the-art filtration system features thousands of microscopic cotton fibers. Innovative design of layered, oiled cotton media helps to shield your engine from contaminants.	Improve Engine Sound A satisfying growl upon acceleration, yet quiet once at speed. Removes stock baffles and soundproofing components from the engine bay.	Precision Engineered Precision engineered to increase horsepower and torque over the OEM intake system.

Also Available: K&N Cabin Air Filters

Also available: K&N Wrench Off Oil Filters

K&N Oil Filters provide outstanding filtration levels and a high oil flow rate. They are also great with synthetic and conventional oils!

Also available: K&N OE Replacement Air Filters

Also available: K&N Recharger Kits

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1 Contraband and limited items:

Clgarette,Alcohol,Contraband ?Do not accept

Liquid,cream or cosmetics items are quantity limited in shopping agent service

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volume weight=length*height*Width/5000

one side must be less than 120cm，otherwise there is additional fee；250cm products can not be accept；

Any side must be less than 60cm，otherwise you will be charged the greater one between real weight and volume weight，more than 120cm will be not accepted.