I put a 4" turbo back w/ 6" SS tip from Farm Boy's Diesel on mine and I love it. I went with the aluminized kit since there is very little threat from road salt down here and I hardly ever go to the coast around the salt water. However, I did get 6" of snow last year. That was wierd for down here. Anyway, I love my exhaust but don't suggest installing the downpipe by yourself. That requires a lengthy vocabulary of imaginative words to install by yourself. After the downpipe installation, everything else is a breeze for a one man installation.