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K&N Engineering Part # KNN57-1137S

K&N 01-17 Harley Davidson Softail / Dyna FI Performance Air Intake System Silver - 57-1137S

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Canadian since 2005 Questions? Email sales@raptorracing.com

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 cast aluminum intake tube. These intakes come with a die-cast 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

  • Integrated internal velocity stack
  • Built-in breathers replace external OE breathers
  • Lasts up to 100,000 miles before service is required (depending on driving conditions)
  • Easy to install, usually in 90 minutes or less
  • Guaranteed to increase horsepower
  • Designed to improve throttle response and engine sound
  • Cast aluminum high-performance intake tube
  • Washable and reusable K&N High-Flow cotton air filter that provides outstanding performance and protection

  • Clamps Included: 1
  • Air Filter Outlet Width: 2.984 in (76 mm)
  • Air Filter Outlet Length: 4 in (102 mm)
  • Intake Pipe Outlet Width: 4 in (102 mm)
  • Weight: 4.2 lb (1.9 kg)
  • Air Filter Height: 5.25 in (133 mm)
  • Estimated Horsepower Gain: 5.35 HP @ 4758 RPM
  • Estimated Torque Gain: 8 lbft
  • Air Filter Material: Cotton Gauze
  • CARB EO Number: D-269-59
  • Intake Pipe Material: Die-Cast Aluminum
  • Clamp Color/Finish: Natural
  • Air Box Included: No
  • Mass Air Flow Sensor Adapter Included: No
  • Warranty: No-Hassle Lifetime Limited
  • Coupler Color/Finish: Not Applicable
  • Couplers Included: Not Required
  • Intake Pipe Outlet Shape: Oval
  • Replacement Filter: RE-5287
  • Air Filter Color: Red
  • Clamp Style: Regular
  • Air Filter Outlet Shape: Round
  • Intake Pipe Color / Finish: Silver
  • Clamp Material: Stainless Steel
  • Oil Included: Yes
  • Street Legal In All US States: Legal for use in all 50 states

Free Canadian shipping on qualifying orders $399+, with no duties or brokerage. Special order and made-to-order items can't be cancelled or refunded once ordered. Oversized items may carry a handling fee depending on your location; pickup in Mississauga has no fee.

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