so i have a 76 2.7
i like this exhaust from sierra but it says up to 75 and when i called they said only up to 75..
http://www.*********************.com/911-930-74-89-/Heat-A-C-and-Exhaust/911-74-89-Heat-and-Exhaust/Dansk-Sport-Muffler-Dual-Outlet-911-63-75-p31948.html
otherwise i would need to acquire one with longer tips and have them cut down..
are the mounting brackets different?
2nd note.
on a 57 vs 50mm dual outlet will it really effect anything like back pressure?