Will drilling holes in your exhaust give you the same effects as a performance exhaust?

NO...if you want to drill holes in your exhaust just to make it louder your only going to get a small grinding sound..not much of a difference..just makes ur exhaust sound like its about to fall off...BUT if you just simply buy a Glasspack for like 30 bucks and have it put on for like 40, or put it on yourself...then sound will not be a problem, youll have a nice grumble sound...as for performance exhausts..your paying for the internal part of the muffler system like the fiberglass and all the intricate crap.