K&N Intake System-Harley Davidson (RK-3903)

K&N Intake System-Harley Davidson (RK-3903)K&N air cleaner assemblies, designed for your Harley Davidson, are a remarkable combination of performance and style. These air cleaner assemblies are made to increase horsepower and torque by supplying superior air flow. They are machined from billet aluminum, luster polished, then chrome plated to complement your show bike. This K&N custom air cleaner fits select Sportster models. Each K&N air cleaner comes complete and ready to use including, a

and is the replacement filter for the K&N 63-3093 air intake kit

this premium cold air intake system is specifically designed for your Escalade

The K&N 57-1141 cold air intake system replaces the factory air filter and air intake housing in many Can-Am Maverick models for a guaranteed increase in horsepower and torque

usually in 90 minutes or less

The intake tube has an attractive blue powder-coat finish that's made to last and it accommodates a replacement silicone vent hose

1-3/8 inch clamp-on flange

They have a high strength carbon steel housing and a high performance rolled seam that exceeds OEM pressure requirements

custom aluminum backing plate mounts directly to the throttle body via an aluminum integrated

Four distinctive styles available

this RK Series assembly includes an innovative powder coated billet aluminum back plate that eliminates external breathers and features a built-in

The 57S-9501 air intake comes with an oversized cone shaped K&N high-flow air filter

The oversized K&N 16 inch air filter top and base plates can be paired with a variety of 16 inch K&N air filters for boosting the performance in carbureted race cars