View Full Version : Airbox mod- 3rd generation explorers

05-12-2011, 03:37 PM
Ok I just did the airbox mod on my 03 explorer, I would strongly recommend it.

Basically, the 3rd gen has terrible airflow to the airfilter, just one tiny hole. So what you do is take a drill bit and drill a ton of holes in the lower half of the airbox, which allows more air to be ****** into the engine. I did it and gained about 1 mpg and more low end torque (I would say).

05-12-2011, 07:45 PM
No one else has done this? Explorers must no be very popular...

Bettr n' Revrse
05-12-2011, 07:49 PM
Done it with a Duramax lol