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K&N 57-1131P Air Intake

57 Series FIPK / Performance Air Intake System
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57-1131P
$477.69 USD
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Product Overview

  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Aluminum tube with high quality finish
  • Washable and reusable lifetime air filter
  • 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
The K&N 57-1131P Air Intake fits some Harley Davidson FLHP Road King Police, Harley Davidson FLHR Road King, Harley Davidson FLHRC Road King Classic, Harley Davidson FLHRSE4 Screamin Eagle Road King, Harley Davidson FLHT Electra Glide Standard, Harley Davidson FLHTC Electra Glide Classic, Harley Davidson FLHTCU Ultra Classic Electra Glide, Harley Davidson FLHTCUTG Tri Glide Ultra Classic, Harley Davidson FLHTK Electra Glide Ultra Limited, Harley Davidson FLHTK Ultra Limited, Harley Davidson FLHTKL Ultra Limited Low, Harley Davidson FLHTP Electra Glide Police, Harley Davidson FLHXS Street Glide Special, Harley Davidson FLHXXX Street Glide Trike, Harley Davidson FLRT Freewheeler, Harley Davidson FLTR Road Glide, Harley Davidson FLTRU Road Glide Ultra, Harley Davidson FLTRX Road Glide Custom, and Harley Davidson FLTRXS Road Glide Special models. See vehicle applications link for details.
K&N FIPK Air Intakes replace the restrictive stock OE air cleaner with a K&N High-Flow Air Filter and mandrel-bent aluminum intake tube. The efficient design provides your Harley with significantly more airflow, resulting in additional power. These air intakes come with a billet aluminum throttle-body mounting plate and mounting hardware. Each of these air intakes comes with a washable, reusable K&N high-flow air filter, backed by the Million Mile Limited Warranty. Installation is so easy, most intakes can be installed in 90 minutes or less. The sleek styling gives your Harley that coveted custom look while increasing performance.

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Estimated Horsepower Gain6.8 HP @ 4388 RPM
Replacement FilterRE-0961
Air Filter ColorRed
Air Filter MaterialCotton Gauze
Warranty1,000,000 Miles/10 Year
Product StyleMotorcycle Intake System
Air Filter Outlet ShapeRound
Intake Pipe Color / FinishBright Aluminized Metal
Intake Pipe MaterialAluminum
CARB EO NumberD-269-59
Street Legal In All US StatesYes
TUV Approved (Europe)No
Clamps Included2
Clamp StyleRegular
Clamp MaterialStainless Steel
Weight2.1 lb (1 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.
WARNING: Cancer and reproductive harm--www.P65warnings.ca.gov

K&N 57-1131P Air Intake Product Reviews

Thursday, October 11, 2018 - Part 57-1131P
Product works great. I was very happy and very satisfied with the way customer service responded to my inquiries. I would highly recommend K&N products...

Stephen Robb
Macomb, Oklahoma