taking the Air pump is all electrical and requires only hand tools. getting rid of the EGR you are going to have to plug up the hole in the intake. freeze plug will do it. its ghetto. also you are going to have to seal up on the manifold where the air pump injects air into the exhaust system.

go for it if you are bored. none of this shit will make you gain power. i did it because i put on LT headers with no cats in the Y pipe.

as for the ported MAF, dont know. never did it! read above posts.