Quote Originally Posted by egchewy79 View Post
Those exhaust hangers were initially used with shorty headers and J pipes as they were known to sag and stress/crack the J pipe over time.
In the past, with 4 into 4 long tube headers, hangers were not needed. With the addition of the ball joint in the headers, the hangers will help keep the side pipe from sagging over time.

https://www.ffcars.com/threads/first...2#post-6105372
post #535
I've made these front hangers for the J-Pipes as well as the ball flange headers. Left unsupported the front of the sidepipe can rotate downward if the ball flange loosens.

Jeff