ZaneMasterX
FRF Addict
I disagree. The adapters are not worthless. Yes you will have the ability to remove the need for the adapters if you chose the flush mounted fit. However you could chose the factory fit and pretty much have the same effect. Will they flow a little less? Yes.
However I would most definitely prefer the adapter set up because the joint can move around with bumps and engine flew. I have had plenty of headers and downpipes over the years and had quite a few cracks. The flat flange will put a lot of stress on the welds at the flange and turndowns.
I think the adapters and factory fit is the way to go on this one. My guess is that the difference between the two options power wise will be negligible.
Adapters + downpipe is going to cost you $200 more for no added gain so I guess you can justify wasting money on the adapters all you want but for any performance gains they are worthless with the new DP setup.