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57-1125
$280.99 USD
MSRP $490.79 42.7% Off
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K&N 57-1125 Air Intake

57 Series FIPK > Performance Air Intake System
Rating Star 1 Rating Star 2 Rating Star 3 Rating Star 4 Rating Star 5   5.0 out of 5 stars   2 Customer Reviews
  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Aluminum tube with high quality black finish
  • Washable and reusable lifetime air filter
  • Street legal in all 50 states
  • 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 FIPK air intakes for select Harley-Davidson® Touring, Softail, Twin-Cam and Sportster motorcycle models are guaranteed to increase power. They eliminate the restrictive stock OE air cleaner and replace it with a K&N high-flow air filter and mandrel bent aluminum intake tube, which allows more air to flow directly to the engine. These air intakes include a billet aluminum throttle-body mounting plate and mounting hardware. Installation couldn’t be easier; it usually takes 90 minutes or less. K&N high-flow intake systems give your Harley an aggressive appearance and killer style. This model features a sleek black aluminum intake tube. K&N FIPK air intakes are CARB exempt and street legal in all 50 states.

[K&N Performance Air Intakes for Harley-Davidson® Motorcycles]

Product Specifications

Estimated Horsepower Gain7.78 HP @ 4953 RPM
Replacement FilterRE-0960
Air Filter ColorRed
Air Filter MaterialCotton Gauze
Warranty1,000,000 Miles/10 Year
Product StyleMotorcycle Intake System
Air Filter Height6 in (152 mm)
Air Filter Outlet ShapeRound
Intake Pipe Color / FinishBlack
Intake Pipe MaterialAluminum
CARB EO NumberD-269-55
Street Legal In All US StatesYes
TUV Approved (Europe)No
Clamps Included2
Clamp StyleWorm Gear
Clamp MaterialStainless Steel
Weight3 lb (1.4 kg)
Product Box Height4.88 in (124 mm)
Product Box Length11.75 in (298 mm)
Product Box Width9.5 in (241 mm)
Couplers IncludedNone
Mounting Hardware IncludedYes
Horsepower gains based on similar vehicle dynamometer test. Results will vary.

K&N 57-1125 Air Intake Product Reviews

Tuesday, May 1, 2018 - Part 57-1125
It was super easy to install and it looks great I love it. Oh and it feels like my bike has better throttle response.

Matthew Cortez
Apple Valley, California
Monday, May 22, 2017 - Part 57-1125
Fit perfect, install a breeze...

William Glass
Tucson, Arizona