[BigRedChevy]

Well, you don't actually remove the egr you just have to put a plate in to block the exhaust flow to the egr. PPE used to make a actual kit that removed the egr, but is no longer available because of the EPA. check out this link: This is why you block your EGR and you will see some pics that might be of some intrest to you.

I use amsoil and i am a believer in there products. I didn't really notice any mileage gain in my duramax, but when i swapped my 81 VW i saw about a 3 mpg increase, quieter engine, and a little more power.