K&N Performance Air Intake System (57S-4000)

K&N Performance Air Intake System (57S-4000)The K&N 57S 4000 Performance Airbox replaces the restrictive factory air filter and air box lid. K&N performance air boxes are designed to dramatically reduce air flow restriction as well as smooth and straighten air flow. This allows your engine to inhale a larger amount of air than the factory air filter assembly. More air means more usable power and acceleration throughout the engine's RPM range. The 57S 4000 Performance Airbox comes with an

This air intake is relatively easy to install usually in 60 minutes or less

5 inches inside diameter

Helps filter debris and dirt with minimal restriction to the airflow

Protect your drag car motor from debris

conical design allows you to go up to 100

Extends service interval of your filter in very dusty conditions

The K&N 08984 is a chrome metal base plate with a 16 inch round and a 1 inch drop base for air filter assembly

57i Series Intakes are not legal for use in California and other US States adopting California emission standards

This air intake installs in about 90 minutes or less and requires just commonly available tools

Flow tested assembly for optimal air flow and minimal pressure loss

Air is directed through an aerodynamically engineered intake tube into the engine's throttle body for a guaranteed power gain

All adapters are made from high quality materials such as steel