[1QWIKBIRD]

Originally Posted by ar0ck

http://e30m3performance.com/myths/splitter/splitter.htm

A splitter generates downforce on the front of a car by creating pressure differentials.

On an all out race car it acts as a downward force on the front of the car. On a street car it acts as a curb feeler

Here's an example of a splitter on a firechicken from frrax.com....