Road warrior dpfs?

[Rawze]

Every time that I have sen someone use an after-market DPF, it only lasted about a year or so and had problems.

Apparently, they do not use nearly as much precious metals in them and it causes higher output NOx readings, resulting in over-working the DEF system, etc. and on the DPF-only systems, they have trouble making a proper regen cycle.

I have seen this about 6 or 7 times in the past.