Not sure what specifically you are asking for on fit. I was running them on ported aluminum GN1s which they fit well. Swapped the Houstons for TAs and other mods hoping to overcome a backpressure issue. Of course the 3" THDP I had cleared them, the TA 3 1/2" DP needed a little convincing to...
3 1/2" stainless downpipe, not 100% confident on the brand as I purchased it through a 3rd party but it was new when I got it roughly 4 years ago. Maybe a guru here can help jog my memory. I did have to slightly massage the header side for clearance . Comes as shown with DEI wrap...450 shipped...
Would you happen to have any pics of the "massaged" area on the tailpipe? My 4" sysyem was delivered yesterday and I was fearing some additional work would be needed...