Thanks for the very informative post....

I didnt buy the fuel pump its coming with the engine....thats what the guy said he paid for it. It looks like a complete drop in unit in the pics.

I believe the s&p harness has vats and rear o2 bypasses or at least you can get them for it. I guess Ill just have it reprogrammed anyways....I can get a few more horses this way right?

I hope I can make these stock manifolds work because I have very little room since my cab is dropped 2.5". Otherwise I may end up making my own headers.

so 2.5" is a good size pipe? I wont be running cats so what is the most popular dual mufflers to run with the ls1? Can I get away with an h pipe or is the x-pipe essential? (clearance issues make the h pipe easier to fit.)

I plan on running dual ram-air ducts down in my bumper ...but I still need to figure out how to run my air filters with the setup.


sorry for all the questions