mods and power

[bracker8040]

going to buy a new 6.7 and was wondering how much will a stock clutch hold i dont want to go crazy i was thinking of doing the dpf delete and who is the best person to get that from and are some better than others also the egr delete again is there one beter than the other and what box to run on it i dont want a lot of power like my 94 12 valve with no plate and afc runs good enough for what i need anymore i have just been doing alot of reading and would like a straight answer and can all the factory stuff be put back on if i have to take it in to the dealer. (end of my ongoing sentence)