K&N Intake System-Harley Davidson (RK-3956)

K&N Intake System-Harley Davidson (RK-3956)K&N Street Metal Air Intake Systems for Harley Davidson motorcycles replace the restrictive stock OE air cleaner with an oversized K&N High Flow Air Filter and a high volume cast aluminum housing. If you're looking for an aggressive appearance but want a significant increase in airflow, resulting in more power, this high flow air intake system is exactly what your Harley needs. Installation is so simple, it can usually be done in 90 minutes or less.

All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16 of an inch (1

A tube of sealing grease is provided to help ensure an airtight seal

dyno-tuned velocity stack

The filter top has a threaded hole to accommodate a 6 millimeter bolt for easy mounting

The K&N 57-1570 FIPK air intake system replaces the restrictive factory air filter

The K&N E-3987 is a replacement air filter for K&N Street Shaker Air Intake Systems for Harley-Davidson V-Twin Motorcycles

The tools needed for installation are a screwdriver

The cone-shaped 62-1600WT crankcase vent filter has a K&N embossed chrome top and chrome base

The K&N 69-8433TTK Typhoon air intake system is a free-flowing

push Ram Tubes through rubber base and clamp at desired height

The K&N 81-0241 In-Line Gas Filter is perfect for racing applications and can be used with a variety of oils and fuels including methanol

Aluminum tube with high quality finish