i have a 03 lb7 i need injectors and im thinkin about going 100hp over stock and i know im going to run into some trubbles in doing so. i plan on up gradeing my fuel system with a air dog and possablie a exturnal fuel pump now ive been told by some people that i will run in to my egts going through the roof unless i change the tubro is their another way around doing so for now untill i save up money to get one. also when i plan on doing the injectors im going to install head studs and head gaskets with the injectors and possable doing the air dog then or wating on getting my core charge back on the injectors then doing the air dog also i have been looking at injectors and im not sure of a good site to order them off of and will the upgraded injectors be able to handle a programer up to 215hp once all my other ducks are in a row in the event i cant find my way back to this post fell free to add me on face book brad ringeisen butler pa