This is caused by having bad injectors (over fueling). It melts the DPF and the temps reach over 1500 degrees. These filters cost over $3,000 it pays to have these filters serviced and maintaining your truck. We can save you thousands of dollars by starting a maintenance program. We can catch a problem before it gets too far gone and which can cost you thousands of dollars!
This is what happens when you listen to people who prefers to beat the after treatment system, it did not work and cost this driver $6,000 plus.