https://ssnperformance.com/4-e....xhaust-muffler-pipe-
The DPF can restrict airflow, which can lead to higher exhaust gas temperatures and slower turbo spooling. By removing this restriction, you can improve exhaust flow and reduce exhaust gas temperatures, resulting in better performance. To reiterate, there is no concrete rhyme or reason as to when or why the factory pistons in a 6.4L Power Stroke crack. With good PCM tuning, the 6.4L’s factory connecting rods have also proven capable of handling 900rwhp. The beam is exceptionall