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K&N Custom Air Filter Assembly for Various Harley Davidson Motorcycles - RK-3932

K&N Custom Air Filter Assembly for Various Harley Davidson Motorcycles - RK-3932
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K&N Air Filter RK-3932 - Single

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Description:
K&N Custom Air Filter Assembly for Various Harley Davidson Motorcycles - RK-3932

K&N's RK Series was developed to get more horsepower from your Twin Cam® Harley-Davidson® engine. Built around the legendary K&N High-Flow Air Filter, the this RK Series assembly includes an innovative powder coated billet aluminum backplate that eliminates external breathers and features a built-in, dyno-tuned velocity stack. The result is a significant airflow increase to the engine without sacrificing filtration. This RK Series assembly retains a factory appearance by utilizing the stock air cleaner cover. The RK-3910-1 comes with a larger air filter and longer spacers than the RK-3909-1.

General Details:

Colourchrome
VersionFlare; SM Capacity

Additonal Images:

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Benefits:

K&N's Aircharger® Performance Intake Kit will get more horsepower from your Harley-Davidson® motorcycle. K&N's air intake for Touring Models gained an estimated 12.9 horsepower at the rear wheel and K&N's air intake for Softail Models gained an estimated 10.2 horsepower. This high flow Intake System increases power by eliminating the restrictive stock OE air cleaner and replacing it with a K&N high flow air filter and mandrel bent aluminum intake tube. This complete intake system will help relieve the labored feeling associated with two-up riding or loaded touring. K&N's high flow intake system gives your Harley-Davidson an aggressive appearance while providing a significant increase in airflow resulting in more power.

  • Guaranteed Increase in Horsepower
  • Aggressive appearance while providing outstanding airflow
  • Completely replaces stock air cleaner assembly
  • Washable, K&N high flow air filter equals longer life
  • Custom aluminum throttle body mounting plate
  • Includes complete breather assembly and mounting hardware
  • High flow mandrel bent aluminum intake tube
  • Available in textured black or bright mirror finishes
  • K&N Drycharger® available for extended service intervals
  • Includes K&N Million Mile Limited Warranty®

Technical Information:

Part RK-3932 Product Specifications

  • Product Style: Motorcycle Intake System
  • Estimated Horsepower Gain: 7.16 HP @ 5206 RPM
  • Street Legal In All US States: No
  • TUV Approved (Europe): No
  • Air Filter Shape: Unique
  • Color: Red
  • Filter Height: 2.125 in (54 mm)
  • Filter Material: Cotton Gauze
  • Neck Flange: 3.5 in (89 mm)
  • Overall Height: 2.25 in (57 mm)
  • Replacement Filter: E-3975
  • Size: 6-8
  • Style: Triangle
  • Top Material/Finish: Chrome
  • Top Style: Metal
  • California Restricted: Not legal for sale or use in California
  • Total Height: 1.875 in (48 mm)
  • Weight: 4.4 lb (2 kg)

Technical PDF Downloads:

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