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K&N 57-1138C Air Intake

57 Series FIPK / Performance Air Intake System
57-1138C
$449.73 USD
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Product Overview

  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Chrome finish 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 57-1138C Air Intake fits some Harley Davidson FLHR Road King, Harley Davidson FLHRXS Road King Special, Harley Davidson FLHTCUTG Tri Glide Ultra, Harley Davidson FLHTK Ultra Limited, Harley Davidson FLHTKL Ultra Limited Low, Harley Davidson FLHX Street Glide, Harley Davidson FLHXS Street Glide Special, Harley Davidson FLRT Freewheeler, Harley Davidson FLTRU Road Glide Ultra, Harley Davidson FLTRX Road Glide, and Harley Davidson FLTRXS Road Glide Special models. See vehicle applications link for details.
K&N FIPK 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 a chrome finish 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.
Estimated Horsepower Gain5.97 HP @ 4812 RPM
Replacement FilterRE-3680
Air Filter ColorRed
Air Filter MaterialCotton Gauze
Air Filter Outlet ShapeRound
Clamps Included1
Clamp MaterialStainless Steel
Clamp StyleWorm Gear
CARB EO NumberD-269-60
Couplers IncludedNone
TypeGen II
Product Style57 Series FIPK
Intake Pipe Color / FinishChrome
Intake Pipe MaterialAluminum
Street Legal In All US StatesYes
TUV Approved (Europe)No
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)
Mounting Hardware IncludedYes
Warranty1,000,000 Miles/10 Year
Horsepower gains based on similar vehicle dynamometer test. Results will vary.
WARNING: Cancer and reproductive harm--www.P65warnings.ca.gov

K&N 57-1138C Air Intake Product Reviews