Got a 2000 Mustang V6 - Lots of Mods but dont think it matters ? ? ?
Anyways - Auto parts place said this model does'nt have Doughnut (sp?) Gaskets.. I have a leak where manifold bolts to Piping for 02 and cat.. What seals it? The bolts are tight.. It does have a Cat back system on it - but dont remember what kind, work was done by Dugan Racing about 4yrs ago.. any ideas would help.