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K&N Custom Air Filter Assembly RK-3931 for HD FXD Dyna SuperGlide 08-11

Original price was: $159.99.Current price is: $85.88.

11 in stock

SKU: 77-1931 Category:

Description

K&N high flow air filters are dyno proven to increase horsepower, throttle response, and fuel economy. The smartest and most cost effective upgrade for your machine.

  • Designed to increase horsepower and acceleration
  • High air flow with excellent filtration
  • Washable and reusable
  • Will NOT void US automotive vehicle warranty
  • Emission legal in all 50 US States
  • Million mile limited warranty
  • Filter Specs:

  • Product Style: Motorcycle Intake System
  • Estimated Horsepower Gain: 6.54 HP @ 5100 RPM
  • Street Legal In All US States:No
  • TUV Approved (Europe): No
  • Clamp Style: No Clamps Required
  • Color: Red
  • Filter Height: 2.125 in (54 mm)
  • Filter Material: Cotton Gauze
  • Neck Flange: 2.4 in (61 mm)
  • Overall Height: 2.5 in (64 mm)
  • Replacement Filter: E-3975
  • Size: 9 Inch
  • Top Material/Finish: Aluminum
  • Top Style: Metal
  • Total Height: 2.5 in (64 mm)
  • Weight: 3.1 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)
  • PROP 65 WARNING: Cancer and/or reproductive harm – www.P65Warnings.ca.gov