Originally Posted by timpat92855
The factory intake flows more air then the head can handle. The problem for our 4 bangers is the restrictive heads. A little porting can do alot, just to much work for a 4cylinder truck.
+1 People don't realize that the air filter on the 2.3L is the same filter used on the 3.0L, and 4.0L. It will flow way more air than a 4.0L will pull, so it's
way over designed for the 2.3L!