Problems with Mac Longtubes

[93StangGT]

I have mac 1 3/4longtubes with a 3inch collector and im having problems with the passenger side header hitting the floor. I have 91 convertible mounts and for now just to get the car running i have a solid trans mount. Does anyone have any ideas why this is happening?

 

[sn9550]

You may want try some standard mounts. My Prothane mounts were too tall. Try and find an auto parts store that has them in stock and measure them. Then compare to your vert mounts.

 

[93StangGT]

so 91 vert mounts are actually taller? i thought they were sepposed to drop it down some?