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63-1125P
$292.99 USD
MSRP $512.49 42.8% Off
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K&N 63-1125P Air Intake

Performance Products > Performance Intake Kit
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   4.9 out of 5 stars   11 Customer Reviews
  • 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
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 come with a billet aluminum throttle-body mounting plate and mounting hardware. K&N High-Flow Intake Systems give 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.

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Product Specifications

Estimated Horsepower Gain7.78 HP @ 4953 RPM
Air Filter ColorRed
Air Filter Height6 in (152 mm)
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
Alternate Replacement FilterRE-0960
California RestrictedNot legal for sale or use in California
Clamp MaterialStainless Steel
Clamp StyleRegular
Clamps Included2
Intake Pipe Color / FinishPolished
Intake Pipe MaterialAluminum
Product Box Height4.88 in (124 mm)
Product Box Length11.75 in (298 mm)
Product Box Width9.5 in (241 mm)
Product StyleMotorcycle Intake System
Replacement FilterRC-3680
Street Legal In All US States No
TUV Approved (Europe)No
Weight3 lb (1.4 kg)
Horsepower gains based on similar vehicle dynamometer test. Results will vary.

K&N 63-1125P Air Intake Product Reviews

Monday, November 21, 2016 - Part 63-1125P
Great product, no issues with fitting or quality of finish. Will definitely buy other K&N product's.

Richard Merrill
Yuma, Arizona
Friday, October 28, 2016 - Part 63-1125P
It did make a difference in power when riding double. Can tell big difference in throttle response. Good buy, I would recommend it for touring bikes.

Mike Thomure
Mountain View, Missouri
Wednesday, June 29, 2016 - Part 63-1125P
Noticeable difference. I love it. With my bike in particular, I think I wish I would have just gotten the black one. I don't know what all the differences are between the two, but I ended up painting the intake tube to match the black bottom of my bike.

Joseph Lentz
West bend, Wisconsin
Tuesday, June 21, 2016 - Part 63-1125P
Got exactly what I asked for in double quick time. Super happy with the results!

Timothy McGuinness
Wallington, United Kingdom
Tuesday, March 15, 2016 - Part 63-1125P
This was an easy kit to install. It also gave the leg room I was looking for. Instructions were easy to follow and and illustrations were spot on. The bike runs great with the K&N filter.

MSgt-K
Virginia
Monday, December 7, 2015 - Part 63-1125P
Quick delivery and very well packaged.

Ian Knight
Mountain View, California
Thursday, May 7, 2015 - Part 63-1125P
I ordered the K & N filter for my Harley, and the order came in fast. Very good quality.

Rick Sampson
Connecticut