1) Your stockers are totally fine. If it's so important not to have any downtime and so important to keep the sound, what's wrong with the headers you got on there? You won't get any gains out of headers with the stock turbo.
The stock P&Ped is a good option once you get into larger turbos. A lot of people also change the crosspipe out while they're doing it as well which is usually about all that needs to happen for a <400whp car.
2) Show some respect for other posters and don't use things like C U Z. This is not a cell phone text repository. We're not going to throw you over the coals for every little spelling mistake but please be respectful enough to at least try to use complete words and sentences. In other words, please read this:
Grammar and Punctuation.
3) Please use the edit button to add to your posts instead of repeat posting. It's annoying and confusing and easily fixed.