I was planning on waiting till its Warmer to install all the mods cause its mostly under the cover now. But I would like a tune for simple cold air intake for now. But also I Have a full highflow exhaust system, 4.10 gears and 73mm intake I'm going to be installing this spring. Theres no 99-04 gt tunes in repository. I went ahead and reposted my factory tune in post.