Black November: up to 60% off, with new deals all month.Shop the deals
Tariff drama? Not here. Every order ships with zero surprise fees.
Free Canadian shipping on qualifying orders $399+.
750,000+ parts from 500+ brands. Whatever the build, we have a solution.
0 Cart
0 Cart
Shop byVehicle
K&N Intake System 13-15 Harley Davidson Breakout/Fatboy/Deluxe 103 CI - RK-3942 for 2013-2015 Harley-Davidson FLSTC Heritage
K&N Intake System 13-15 Harley Davidson Breakout/Fatboy/Deluxe 103 CI - RK-3942 for 2013-2015 Harley-Davidson FLSTC Heritage
K&N Intake System 13-15 Harley Davidson Breakout/Fatboy/Deluxe 103 CI - RK-3942 for 2013-2015 Harley-Davidson FLSTC Heritage
K&N Intake System 13-15 Harley Davidson Breakout/Fatboy/Deluxe 103 CI - RK-3942 for 2013-2015 Harley-Davidson FLSTC Heritage
K&N Intake System 13-15 Harley Davidson Breakout/Fatboy/Deluxe 103 CI - RK-3942 for 2013-2015 Harley-Davidson FLSTC Heritage
K&N Intake System 13-15 Harley Davidson Breakout/Fatboy/Deluxe 103 CI - RK-3942 for 2013-2015 Harley-Davidson FLSTC Heritage
K&N Intake System 13-15 Harley Davidson Breakout/Fatboy/Deluxe 103 CI - RK-3942 for 2013-2015 Harley-Davidson FLSTC Heritage
K&N Intake System 13-15 Harley Davidson Breakout/Fatboy/Deluxe 103 CI - RK-3942 for 2013-2015 Harley-Davidson FLSTC Heritage
K&N Intake System 13-15 Harley Davidson Breakout/Fatboy/Deluxe 103 CI - RK-3942 for 2013-2015 Harley-Davidson FLSTC Heritage
K&N Intake System 13-15 Harley Davidson Breakout/Fatboy/Deluxe 103 CI - RK-3942 for 2013-2015 Harley-Davidson FLSTC Heritage
Sale

K&N Engineering Part # KNNRK-3942

K&N Intake System 13-15 Harley Davidson Breakout/Fatboy/Deluxe 103 CI - RK-3942

$251.99 CAD $279.99 CADSave $28.00 CAD (10%)

10% off · Sale ends in

Earn 502 Dino Dollars, double for Black NovemberHow it works

Before you order

Customers also viewed

4.8 on Google992 store reviews
Price matchFound it cheaper?
Canadian since 2005Mississauga, Ontario
Questions?Send us a message

The K&N RK-3942 High-Flow Air Intake System increases engine intake airflow and delivering more horsepower & torque to your Harley-Davidson motorcycle. 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

  • Designed for Harley-Davidson motorcycles
  • Increase horsepower and torque
  • Easy to install
  • Made in USA
  • Backed by K&N warranty

  • Air Filter Material: Cotton Gauze
  • CARB EO Number: D-269-55
  • Replacement Filter: E-3980
  • Warranty: No-Hassle Lifetime Limited
  • Air Filter Shape: Oval
  • Air Filter Color: Red
  • Color / Finish: Red Filter, Metal Top
  • Top Material: Black Powder Coated
  • Estimated Horsepower Gain: 9.32 HP @ 4803 RPM
  • Weight: 2.8 lb (1.2 kg)
  • Overall Height: 2.188 in (56 mm)
  • Air Filter Height: 2.188 in (56 mm)
  • Inlet Diameter: 1.313 in (33 mm)
  • 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 have a handling fee depending on your location; pickup in Mississauga has no fee.

Shipping policy · Refund policy

Customer reviews

No reviews yet. Bought this part? Tell other drivers how it went.

Sign in to write a review

Free Canadian shipping on qualifying orders $399+

No duties or brokerage fees

Price match guarantee

750,000+ parts from 500+ brands

Search