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K&N 63-1125 5.0 out of 5 stars 1 Customer Review
Intake Kits > Performance Intake Kit

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63-1125
 
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K&N AirCharger Air Intakes for select Harley-Davidson® Touring, Softail, Twin-Cam and Sportster motorcycle models increase power by eliminating the restrictive stock OE air cleaner and replacing it with a K&N High-Flow Air Filter and mandrel bent aluminum intake tube. These intakes comes with a billet aluminum throttle-body mounting plate and mounting hardware. K&N High-Flow Intake Systems gives your Harley® an aggressive appearance while providing a significant increase in airflow resulting in more power. These K&N air intakes are street legal in most states. They are not legal for use in California and other states adopting California emission standards. [MORE]
  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Aluminum tube with high quality finish
  • Washable and reusable lifetime air filter
  • Not legal for highway use in states adopting California emission regulations
  • Lasts up to 100,000 miles before service is required (depending on driving conditions)
  • Easy to install, usually in 90 minutes or less
  • K&N Million Mile Limited Warranty®
Available Information
Installation Instruction Sheet
63-1125 Vehicle Applications
Dyno Chart - 2009 Harley Davidson Softail - 10.21HP Increase
Dyno Chart - 2006 Harley Davidson Softail 88ci - 7.78HP Increase
Video Installation Video - 63-1125
Video Features Video
News Story - Harley Davidson Softail Motorcycles Get Added Power from New Air Intake


Part 63-1125 Product Specifications
Product Style: 63 Series Aircharger Kits
Estimated Horsepower Gain: 7.78 HP @ 4953 RPM
Replacement Filter: RE-0960
Air Filter Color: Red
Air Filter Outlet Shape: Round
Street Legal In All US States: No
Air Filter Height: 6 in (152 mm)
TUV Approved (Europe): No
Air Filter Material: Cotton Gauze
Clamps Included: 2
Clamp Material: Stainless Steel
Clamp Style: Regular
Mass Air Flow Sensor Adapter Included: Mass Air Flow Sensor Adapter Included When Required
Intake Pipe Color / Finish: Black
Intake Pipe Ports: All intake tube ports needed for the specified applications are included
Vacuum Tubing Included: No
California Restricted: Not legal for sale or use in California
Weight: 3 lb (1.4 kg)
Product Box Length: 11.75 in (298 mm)
Product Box Width: 9.5 in (241 mm)
Product Box Height: 4.88 in (124 mm)


Horsepower gains based on similar vehicle dynamometer test. Results will vary.


Product Reviews      Review part 63-1125

 Looks great on my Fat Bob and added to an already beefy performer!
JP, Massachusetts
 I had purchased this system for my 2007 Harley and I am happy with the results of it especially out of the hole power due to its ability to breath better with this filter.
Tom Kerns, New Mexico