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K&N Air Intake System Increases Horsepower on the Harley Davidson Twin Cam 96 & Twin Cam 103

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K&N Harley Davidson Air Intake 63-1131

K&N 63-1131P air intake for the 2008-2011 Harley Davidson Twin Cam 96 V-Twin and 2009-2015 Harley Davidson Twin Cam 103 V-Twin

One of the most endearing features of a Harley Davidson® motorcycle is that throbbing V-Twin engine. They've been making them since 1909, and the 2008-2011 Harley Davidson Twin Cam 96 V-Twin and 2009-2015 Harley Davidson Twin Cam 103 V-Twin, are two of the most advanced "potato guns" to date. You get dual camshafts, electronic fuel injection, and a host of other innovative features, all wrapped in a sturdy big-bore package. The low-down torque of the Harley® the 96ci V-Twin and Harley 103ci V-Twin prove that there really is no replacement for displacement. But you can squeeze more horsepower and torque from your air-cooled monster, with the K&N 63-1131 AirCharger performance intake system.

Every Harley Davidson motorcycle turns its drive-wheel by combining gas and air inside its twin-cylinders. This power cocktail is then ignited by the spark plugs, and the resulting explosion sends the piston downward, turning the crankshaft, and eventually the back wheel. But in order for the gasoline to burn in that explosion, oxygen has to be present. That catalyst comes in through the paper air filter, located behind the cool looking chrome cover on the side of your big Harley engine. The problem is, the aesthetics of the bike limit the amount of air that can flow into the throttle body, which ultimately dictates how much power your Harley Twin-Cam engine can make. The K&N 63-1131 AirCharger performance air intake kit addresses this issue, by creating a more direct airflow path to the cylinders. And, it looks a whole lot cooler than the factory lid.

K&N Harley Davidson Air Intake 63-1131 Installed

K&N 63-1131P performance air intake installed on a 2015 Harley Davidson Twin Cam 103 V-Twin

But of course, talk is meaningless without the proof to back it up. So to verify the performance of every cold air intake, K&N conducts before & after dyno tests on the vehicles each system was designed for. Since the K&N 63-1131 performance air intake system will work on both the Harley Davidson Twin Cam 96 V-Twin and Harley Davidson Twin Cam 103 V-Twin, they tested a 2015 Harley Davidson Electra Glide 103 ci, and found that it made 68.20-hp and 87.77 lb-ft at the rear wheel with the Harley Davidson factory air intake and 75.00-hp/94.81 lb-ft with a K&N Harley Davidson air intake. That's an estimated increase of 6.80-hp and 7.04 lb-ft, which you'll certainly notice when you twist the throttle.

K&N Harley Davidson Air Intake 63-1131 Full

The K&N 63-1131P air intake system boosts power on the 2008-2011 Harley Davidson Twin Cam 96 V-Twin and 2009-2015 Harley Davidson Twin Cam 103 V-Twin

Features & benefits of the K&N 63-1131 air intake system:

  • Designed for the Harley Davidson Twin Cam 96 & Twin Cam 103
  • Guaranteed to increase horsepower & torque
  • Provides faster throttle response
  • Increased airflow allows engine to deliver more power at lower RPMs
  • Improves engine sound
  • Large-bore aluminum intake tube reduces airflow restrictions
  • Billet aluminum mounting plate secures system to the engine
  • Washable K&N performance air filter can last up to 100,000 miles between cleanings (depending on driving conditions)
  • Entire system can be installed in around 90 minutes
  • Covered by the K&N 10-Year/Million Mile Limited Warranty

The 63-1131 performance air intake kit fits the following Harley Davidson models:
2015 HARLEY DAVIDSON FLTRXS ROAD GLIDE SPECIAL 103 CI - w/Lower Fairings
2015 HARLEY DAVIDSON FLTRX ROAD GLIDE 103 CI - w/Lower Fairings
2015 HARLEY DAVIDSON FLRT FREEWHEELER 103 CI - w/Lower Fairings
2015 HARLEY DAVIDSON FLHXS STREET GLIDE SPECIAL 103 CI - w/Lower Fairings
2015 HARLEY DAVIDSON FLHX STREET GLIDE 103 CI - w/Lower Fairings
2015 HARLEY DAVIDSON FLHTKL ULTRA LIMITED LOW 103 CI - w/Lower Fairings
2015 HARLEY DAVIDSON FLHTK ULTRA LIMITED 103 CI - w/Lower Fairings
2015 HARLEY DAVIDSON FLHTCUTG TRI GLIDE ULTRA 103 CI - w/Lower Fairings
2015 HARLEY DAVIDSON FLHTCUL ELECTRA GLIDE ULTRA CLASSIC LOW 103 CI - w/Lower Fairings
2015 HARLEY DAVIDSON FLHTCU ELECTRA GLIDE ULTRA CLASSIC 103 CI - w/Lower Fairings
2015 HARLEY DAVIDSON FLHR ROAD KING 103 CI - w/Lower Fairings
2014 HARLEY DAVIDSON FLHX STREET GLIDE 103 CI - w/Lower Fairings
2014 HARLEY DAVIDSON FLHTK ELECTRA GLIDE ULTRA LIMITED 103 CI - w/Lower Fairings
2014 HARLEY DAVIDSON FLHTCUTG TRI GLIDE ULTRA 103 CI - w/Lower Fairings
2014 HARLEY DAVIDSON FLHTCU ELECTRA GLIDE ULTRA CLASSIC 103 CI - w/Lower Fairings
2014 HARLEY DAVIDSON FLHR ROAD KING 103 CI - w/Lower Fairings
2013 HARLEY DAVIDSON FLTRX ROAD GLIDE CUSTOM 103 CI - w/Lower Fairings
2013 HARLEY DAVIDSON FLTRU ROAD GLIDE ULTRA 103 CI - w/Lower Fairings
2013 HARLEY DAVIDSON FLHX STREET GLIDE 103 CI - w/Lower Fairings
2013 HARLEY DAVIDSON FLHTK ELECTRA GLIDE ULTRA LIMITED 103 CI - w/Lower Fairings
2013 HARLEY DAVIDSON FLHTCUTG TRI GLIDE ULTRA CLASSIC 103 CI - w/Lower Fairings
2013 HARLEY DAVIDSON FLHTCU ULTRA CLASSIC ELECTRA GLIDE 103 CI - w/Lower Fairings
2013 HARLEY DAVIDSON FLHTC ELECTRA GLIDE CLASSIC 103 CI - w/Lower Fairings
2013 HARLEY DAVIDSON FLHRC ROAD KING CLASSIC 103 CI - w/Lower Fairings
2013 HARLEY DAVIDSON FLHR ROAD KING 103 CI - w/Lower Fairings
2012 HARLEY DAVIDSON FLTRX ROAD GLIDE CUSTOM 103 CI - w/Lower Fairings
2012 HARLEY DAVIDSON FLTRU ROAD GLIDE ULTRA 103 CI - w/Lower Fairings
2012 HARLEY DAVIDSON FLHX STREET GLIDE 103 CI - w/Lower Fairings
2012 HARLEY DAVIDSON FLHTK ELECTRA GLIDE ULTRA LIMITED 103 CI - w/Lower Fairings
2012 HARLEY DAVIDSON FLHTCUTG TRI GLIDE ULTRA CLASSIC 103 CI - w/Lower Fairings
2012 HARLEY DAVIDSON FLHTCU ELECTRA GLIDE ULTRA CLASSIC 103 CI - w/Lower Fairings
2012 HARLEY DAVIDSON FLHTC ELECTRA GLIDE CLASSIC 103 CI - w/Lower Fairings
2012 HARLEY DAVIDSON FLHR ROAD KING 103 CI - w/Lower Fairings
2011 HARLEY DAVIDSON FLTRX ROAD GLIDE CUSTOM 96 CI - w/Lower Fairings
2011 HARLEY DAVIDSON FLTRU ROAD GLIDE ULTRA 103 CI - w/Lower Fairings
2011 HARLEY DAVIDSON FLHXXX STREET GLIDE TRIKE 103 CI - w/Lower Fairings
2011 HARLEY DAVIDSON FLHX STREET GLIDE 96 CI - w/Lower Fairings
2011 HARLEY DAVIDSON FLHTP ELECTRA GLIDE POLICE 103 CI - w/Lower Fairings
2011 HARLEY DAVIDSON FLHTK ELECTRA GLIDE ULTRA LIMITED 103 CI - w/Lower Fairings
2011 HARLEY DAVIDSON FLHTCUTG TRI GLIDE ULTRA CLASSIC 103 CI - w/Lower Fairings
2011 HARLEY DAVIDSON FLHTCU ULTRA CLASSIC ELECTRA GLIDE 96 CI - w/Lower Fairings
2011 HARLEY DAVIDSON FLHTC ELECTRA GLIDE CLASSIC 96 CI - w/Lower Fairings
2011 HARLEY DAVIDSON FLHRC ROAD KING CLASSIC 103 CI - w/Lower Fairings
2011 HARLEY DAVIDSON FLHR ROAD KING 96 CI - w/Lower Fairings
2011 HARLEY DAVIDSON FLHP ROAD KING POLICE 103 CI - w/Lower Fairings
2010 HARLEY DAVIDSON FLTRX ROAD GLIDE CUSTOM 96 CI - w/Lower Fairings
2010 HARLEY DAVIDSON FLHXXX STREET GLIDE TRIKE 103 CI - w/Lower Fairings
2010 HARLEY DAVIDSON FLHX STREET GLIDE 96 CI - w/Lower Fairings
2010 HARLEY DAVIDSON FLHTP ELECTRA GLIDE POLICE 103 CI - w/Lower Fairings
2010 HARLEY DAVIDSON FLHTK ELECTRA GLIDE ULTRA LIMITED 103 CI - w/Lower Fairings
2010 HARLEY DAVIDSON FLHTCUTG TRI GLIDE ULTRA CLASSIC 103 CI - w/Lower Fairings
2010 HARLEY DAVIDSON FLHTCU ULTRA CLASSIC ELECTRA GLIDE 96 CI - w/Lower Fairings
2010 HARLEY DAVIDSON FLHTC ELECTRA GLIDE CLASSIC 96 CI - w/Lower Fairings
2010 HARLEY DAVIDSON FLHRC ROAD KING CLASSIC 96 CI - w/Lower Fairings
2010 HARLEY DAVIDSON FLHR ROAD KING 96 CI - w/Lower Fairings
2010 HARLEY DAVIDSON FLHP ROAD KING POLICE 103 CI - w/Lower Fairings
2009 HARLEY DAVIDSON FLTR ROAD GLIDE 96 CI - w/Lower Fairings
2009 HARLEY DAVIDSON FLHX STREET GLIDE 96 CI - w/Lower Fairings
2009 HARLEY DAVIDSON FLHTCUTG TRI GLIDE ULTRA CLASSIC 103 CI - w/Lower Fairings
2009 HARLEY DAVIDSON FLHTCU ULTRA CLASSIC ELECTRA GLIDE 96 CI - w/Lower Fairings
2009 HARLEY DAVIDSON FLHTC ELECTRA GLIDE CLASSIC 96 CI - w/Lower Fairings
2009 HARLEY DAVIDSON FLHT ELECTRA GLIDE STANDARD 96 CI - w/Lower Fairings
2009 HARLEY DAVIDSON FLHRC ROAD KING CLASSIC 96 CI - w/Lower Fairings
2009 HARLEY DAVIDSON FLHR ROAD KING 96 CI - w/Lower Fairings
2009 HARLEY DAVIDSON FLHP ROAD KING POLICE 103 CI - w/Lower Fairings
2008 HARLEY DAVIDSON FLTR ROAD GLIDE 96 CI - w/Lower Fairings
2008 HARLEY DAVIDSON FLHX STREET GLIDE 96 CI - w/Lower Fairings
2008 HARLEY DAVIDSON FLHTCU ULTRA CLASSIC ELECTRA GLIDE 96 CI - w/Lower Fairings
2008 HARLEY DAVIDSON FLHTC ELECTRA GLIDE CLASSIC 96 CI - w/Lower Fairings
2008 HARLEY DAVIDSON FLHT ELECTRA GLIDE STANDARD 96 CI - w/Lower Fairings
2008 HARLEY DAVIDSON FLHRC ROAD KING CLASSIC 96 CI - w/Lower Fairings
2008 HARLEY DAVIDSON FLHR ROAD KING 96 CI - w/Lower Fairings

If you're looking for more than an air intake, K&N makes a lot of other motorcycle performance parts to fit your Harley Davidson. To have a look, use the search by vehicle tool, or to find a K&N dealer near you use the dealer search tool.


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K&N Engineering in Riverside California is the world's leading manufacturer of washable performance air filters and air intake systems. K&N invented the reusable high flow cotton air filter in 1969 and has been perfecting the technology ever since. K&N is a world class filtration company selling air filters, oil filters, and intakes in over 50 countries. K&N sells over 5,000 products designed for cars, trucks, motorcycles, engines, and industrial applications. From their Million Mile Warranty to their Consumer Protection Pledge, K&N stands behind their products and their consumers 100%. The distinctive K&N logo represents performance from one of the original performance companies. For more information, visit knfilters.com.