i kno this may turn into a great debate but im looks for facts and opinions here preferably opinions that were from personal experience basically i just simply wanna kno wut is the best production intake manifold u can buy for a 5.0 i heard GREAT things about the gt40 then noticed well its good to 425hp and im looking to make atleast 550hp so im guessing its out of the question and then i was also leaning towards the oh so hated bbk ssi intake mostly just do to cuz i think it looks damn good so plz help give me some advise