Harley Davidson Sportster® Motorcycles Add Performance with K&N Custom Intake Assembly

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The newer Harley Davidson Sportster line is designed to slash vibration felt by the rider to a fraction of its former level. The new frame is 25 percent stiffer than the Harley design prior to 2004.

K&N Engineering's RK-3929 for Harley Davidson Sportster Motorcycles
K&N Engineering's RK-3929 for Harley Davidson Sportster Motorcycles
K&N Engineering has developed a high flow complete air cleaner assembly (RK-3929) for 2004 to 2012 model Harley Davidson Sportster 883 and 1200 cc motorcycles. The oversized custom intake assembly is developed around an original K&N high flow air filter. See complete applications list below.
Harley Davidson on one of K&N's dynos
Harley Davidson  on one of K&N's dynos

RK-3929 for all Harley Davidson Sportster 883 and 1200cc Motrocycles
RK-3929 for all Harley Davidson Sportster 883 and 1200cc Motorcycles

The kit was designed to optimize air flow and significantly increase performance for the Harley Davidson Sportster owner. The K&N assembly includes a powder coated billet aluminum backing plate and internal run breathers for a clean installation.

This intake has a built-in dyno- tuned velocity stack which smoothes out the delivery of air flow. The RK-3929 also keeps the factory appearance by using the stock air cleaner cover. It fits behind the OE air cleaner cover and provides increased surface area which aids in the delivery of more air.

No jetting or fuel modifications are necessary for optimum performance. K&N high flow filters are washable and reusable.

Motorcycle applications are as follows:

2012 HARLEY DAVIDSON XL883N IRON 883 54
2012 HARLEY DAVIDSON XL883L SUPERLOW 54
2012 HARLEY DAVIDSON XL1200X FORTY-EIGHT 74
2012 HARLEY DAVIDSON XL1200V SEVENTY-TWO 74
2012 HARLEY DAVIDSON XL1200N SPORTSTER NIGHTSTER 74
2012 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74
2011 HARLEY DAVIDSON XL883N IRON 883 54
2011 HARLEY DAVIDSON XL883L SUPERLOW 54
2011 HARLEY DAVIDSON XL1200X FORTY-EIGHT 74
2011 HARLEY DAVIDSON XL1200N SPORTSTER NIGHTSTER 74
2011 HARLEY DAVIDSON XL1200L SPORTSTER LOW 74
2011 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74
2010 HARLEY DAVIDSON XL883N IRON 883 54
2010 HARLEY DAVIDSON XL883L SPORTSTER LOW 54
2010 HARLEY DAVIDSON XL883C SPORTSTER CUSTOM 54
2010 HARLEY DAVIDSON XL1200X FORTY-EIGHT 74
2010 HARLEY DAVIDSON XL1200N SPORTSTER NIGHTSTER 74
2010 HARLEY DAVIDSON XL1200L SPORTSTER LOW 74
2010 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74
2009 HARLEY DAVIDSON XL883L SPORTSTER LOW 54
2009 HARLEY DAVIDSON XL883C SPORTSTER CUSTOM 54
2009 HARLEY DAVIDSON XL1200N SPORTSTER NIGHTSTER 74
2009 HARLEY DAVIDSON XL1200L SPORTSTER LOW 74
2009 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74
2008 HARLEY DAVIDSON XL883L SPORTSTER LOW 54
2008 HARLEY DAVIDSON XL883C SPORTSTER CUSTOM 54
2008 HARLEY DAVIDSON XL883 SPORTSTER 54
2008 HARLEY DAVIDSON XL1200R SPORTSTER ROADSTER 74
2008 HARLEY DAVIDSON XL1200N SPORTSTER NIGHTSTER 74
2008 HARLEY DAVIDSON XL1200L SPORTSTER LOW 74
2008 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74
2007 HARLEY DAVIDSON XL883R SPORTSTER 54
2007 HARLEY DAVIDSON XL883C SPORTSTER CUSTOM 54
2007 HARLEY DAVIDSON XL883 SPORTSTER 54
2007 HARLEY DAVIDSON XL50 50TH ANNIVERSARY SPORTSTER 74
2007 HARLEY DAVIDSON XL1200R SPORTSTER ROADSTER 74
2007 HARLEY DAVIDSON XL1200N SPORTSTER NIGHTSTER 74
2007 HARLEY DAVIDSON XL1200L SPORTSTER LOW 74
2007 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74
2006 HARLEY DAVIDSON XL883R SPORTSTER 54
2006 HARLEY DAVIDSON XL883L SPORTSTER LOW 54
2006 HARLEY DAVIDSON XL883C SPORTSTER CUSTOM 54
2006 HARLEY DAVIDSON XL883 SPORTSTER 54
2006 HARLEY DAVIDSON XL1200R SPORTSTER ROADSTER 74
2006 HARLEY DAVIDSON XL1200L SPORTSTER LOW 74
2006 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74
2005 HARLEY DAVIDSON XL883R SPORTSTER 54
2005 HARLEY DAVIDSON XL883L SPORTSTER LOW 54
2005 HARLEY DAVIDSON XL883C SPORTSTER CUSTOM 54
2005 HARLEY DAVIDSON XL883 SPORTSTER 54
2005 HARLEY DAVIDSON XL1200R SPORTSTER ROADSTER 74
2005 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74
2004 HARLEY DAVIDSON XL883C SPORTSTER CUSTOM 54
2004 HARLEY DAVIDSON XL883 SPORTSTER 54
2004 HARLEY DAVIDSON XL1200R SPORTSTER ROADSTER 74
2004 HARLEY DAVIDSON XL1200C SPORTSTER CUSTOM 74

Find K&N products for your vehicle using the K&N application search then use the K&N dealer search to find a K&N dealer in your part of the world.



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K&N Engineering, Inc., with headquarters in Riverside, California, has been the world's leader in performance filter technology since 1969, serving the needs of the automotive, motorcycle, marine, industrial and military markets. K&N is heavily involved in nearly every form of motorsports from off-road and powersports to drag racing, stock cars and road racing. For more information about K&N Filters, please contact K&N Engineering, Inc., P.O. Box 1329, Riverside, CA 92502-1329, (800) 213-4182 for a dealer near you, (800) 858-3333 for technical service/questions, (951) 826-4001 Fax, e-mail tech@knfilters.com, or visit www.knfilters.com.

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