Originally Posted by neckbone
I just recently installed a 4" turbo/back mbrp w/ no cat. With in a day I noticed puffs of white smoke when taken off from a stop. Brought it in to the dealership. Turned out to be the turbo seal starting to leak.
I installed the same exhaust on the same truck. same problem. but i waited and finally took it to the dealer. 2 bad injectors and egr cooler, oil cooler, and turbo conditioning is what they did. then had to take it back within a week to have the egr cooler replaced again! they said the heads were fine. and guess what it still does it! good luck