Loose or bad hangers, the manifold is supporting the ypipe which it should not be, causing it to crack, the ypipe needs to be supported so the manifold dont take the stress of the ypipe.
"Its a Ford. Nuff said. Everything else is just a glorified tonka toy"
"ASE" Certified" Parts Professional
92 F150 302 4x4 Long bed Extended cab
2001 Taurus wagon