lsx 454 efi?

[snappytravis]

So I would like a little feedback on the lsx 454 crate engine, what would you guys suggest for intake? Fast, or stock gm ls7, also would like some help on where the best deals is crateenginedepot? Jegs? Then my second question is wiring ecm, gm or aftermarket, I was under the understanding a while back that you could not change any programing on the stock gm setup, but you could on some of the aftermarket? Is this correct? thanks for the help.