hey there new from texas. worked with and played with several diesels over the years but am new to owning one. i got a 2006 f350 6.0 v8 with a 3 inch rancho lift. i just did a 4" straight piped exhaust. about to put a intake, sct tuner, throttle body spacer, fuel catalyst, electronic turbo boost fooler. this is just start off mods other more expensive stuff to come any other suggestions?