Subframe connectors are great and pretty much a must on f body's. There is an area by the top rear corner of the door (where the glass sits) which can often get stress cracks, especially on t top cars. I've got global west ones on mine and they don't require cutting of the floor and the lowest part of the car is the exhaust, so they are tucked nicely in. When doing subframe connectors the bushings needs to be changed out and the ones that are located where the sfc installs, need to be ideally be solid bushings. When changing them out, you can also get lowered bushings, which are about half the size of regular ones. This lowers the body of the car about 1/4 to 1/2 an inch which is pretty cool.
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