4" down pipe running the dpf

[sledfreak]

How bad would it be to run like this,got to take it to the dealer for coolant hoses,pulley tension er .

[p8ntballn2]

i dont think it would be an issue.. but i think you have to have that adapter that flo-pro makes to bolt back up the flange on the stock exhaust.. i dont have experience with this, but it was always what i was g oing to do if i had to have warranty work done.

[blackcloud2k]

The flange on your 4" DP should bolt right up to your stock exhaust.

[44magnum]

What down pipe do you have, I did quick google search and found this MBRP 4" downpipe that says it bolts right up to the stock cat/dpf. MBRP Ford 6.4L Turbo Down Pipe Also don't 4" downpipe back exhausts fit up right to the stock downpipe? wouldn't that mean the flanges for the 3" and 4" are the same size?

[44magnum]

I also looks like flo-pro has two different styles, one with the "ball-socket flange" and one that uses a band clamp like std exhausts. They say the ball socket flange will bolt up to stock or aftermarket exhaust systems. I suppose the clamp style could be an issue.

[sledfreak]

My down pipe will fit my stock exhaust it is a ball and socket type,but say you ordered a turbo back exhaust i think then you would have a problem. I just wondered the effects the 4"down pipe would have on the 3.5" stock exhaust, I wanted to drive the truck a little with the dpf on to trigger a re-gen.

[DSTRBD]

It will not be an issue.