I have an 03 qc 2wd Cali emissions cummins. kinda glad its a cali emissions because it means i have a lot more room to grow. i called the dealer and it does have the 48re trans in it. the original owner had a service done at 22k miles and im at 59k about to do another trans service. couple of questions. i plan on doing intake exhaust and a smarty jr. what power levels can i be at with the smarty and keep my trans alive... i have a led foot sometimes but do hardly any towing and reliability is my priority..the trans shifts perfect but is there anything i should have the dealer look at when they do the service?