RK-3943 K&N Intake System-Harley Davidson

$231.99
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SKU
RK-3943
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Intake System-Harley Davidson
The K&N RK-3943 High-Flow Air Intake System increases engine intake airflow and delivering more horsepower & torque to certain Harley-Davidson XL1200 model motorcycles. The intake system increases power by eliminating the stock OE air cleaner and replacing it with a complete High-Flow Air Intake System. The sturdy, custom aluminum backing plate mounts directly to the throttle body via an aluminum integrated, internal-run breather system. The intake system comes with a K&N Air Filter for high air flow and long service intervals. The K&N High-Flow Air Filter is washable, reusable, pre-oiled and ready for installation.
  • Guaranteed increase in horsepower
  • Replaces the stock air filter and cleaner backing plate assembly
  • Fits behind the OE air cleaner cover maintaining the factory appearance
  • Washable, oversized K&N high-flow air filter for long service interval
  • Oversized black, powder coated aluminum backing plate provides solid mounting
  • Dyno tuned velocity stack directs airflow to engine
  • Built in breathers replace external OE breathers
  • Includes K&N Million Mile Limited Warranty
Estimated Horsepower Gain6.35 HP @ 5279 RPM
Replacement FilterE-3040
Air Filter ColorRed
Air Filter MaterialCotton Gauze
Warranty1,000,000 Miles/10 Year
Product StyleMotorcycle Intake System
Air Filter Height2.25 in (57 mm)
CARB EO NumberD-269-59
Street Legal In All US StatesSee Vehicle Applications
TUV Approved (Europe)No
Overall Height2.5 in (64 mm)
Top MaterialNone
Weight3.4 lb (1.6 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
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Warning: Cancer & Reproductive Harm – P65Warnings.ca.gov

K&N Products

Unmatched Performance

50 years of improving vehicle performance.

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Cold Air Intakes

Custom-engineered tubes deliver better airflow than you get with a stock intake. More air means better performance.

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Air Filters

Using cotton gauze instead of typical folded paper, our filters increase airflow while providing excellent engine protection.

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Helps capture most mold, mildew, fungus, spores, bacteria, germs, pollen and allergens, and helps to rid the air of unpleasant odors.

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K&N oil filters use a high flow filter media that allows for high flow rates while providing outstanding engine protection.

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From custom air filters to fuel pumps and carb accessories, the K&N Speed Shop has been assembled to help your vehicle run at peak performance.

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