I found this, sounds promising. However one account isn't exactly concrete proof.
This UR DP offers the ability to slap in a straight pipe or stock mid-pipe with cat depending on emmision checks without having to mess with removing with the DP
Mazdaspeed Forums does not seem to be loading for me keeps coming back with Server Issues on my computer and phone!?!? I had found a few threads on there about stock mid-pipes.
It may be a silly presumption but would all 3" downpipes be the same outlet wise. IE: Corksport Short Downpipe fits the OEM Mid-pipe and it a true 3" Downpipe, so therefore likely this UR DP will work also?
Last edited by DAN MPS 3; 18-08-2013 at 04:00 AM.
SG9 XT: VF34 P20, Tomei headers, STI intercooler HSD coilovers, Brembos and much more...