Well I finally got around to trying this today....
No real noticeable effect. Sounds a little different and stuff, but to be honest, I was only really driving around the neighborhood so I couldn't really get on it fully.
I had my dad drive past me, and it did sound different than before, but I will be able to tell at the next auto-x when I am watching one of my bros drive the car.
NOTE: I drilled 72 total holes. A few on the front area, a few next to that on the side, and the rest al along the side in the middle and towards the top.
And I also didn't use a huge drill bit...didn't want to make the holes too large.