I don't know. If you could drop the IAT by 10 degrees by doing this, it would be worth the effect. I'd bet it cools quite a bit more than that though.I was about to attempt the same mod, but for the .0001 HP gain, I did not think it was worth it.
I've seen where they have been dyno tested and actually made the vehicle have less power by 1 or 2 hp and if it's installed before the maf the air is straightend back out anway by the screen for the most partI was about to attempt the same mod, but for the .0001 HP gain, I did not think it was worth it.
I'm ready to add a third duct or I'm going to fab up an aluminum duct that will allow more air, since I got my custom grille installed. I have way more front exposure to free flowing air, so I figure the more air the better, especially since we've had so much triple digit temps this year.
It's such an easy mod and cheap too!![/QUOT
Funnel shape catch and funnel shape to the filter. This way it would catch more air and you wouldn't haft to make more holes.:thumbsup: