My boots ended up being split by the time install was completed.
There's a clothier named Duluth Trading. They sell a waterproof "magic" tape. I've considered using it to try to keep the joint clean without any disassembly but never did.
I should probably take the things apart and get those new boots before everything rusts together and it becomes a bigger job.
1992 Tbird LX 5.0, 3.73 gears, 1995 Cobra intake, deleted air silencer, 2.5" mandrel bent dual exhaust, SCP shorty headers. Updated four-hole fuel injectors. SK shift kit in AOD. Vogtland 0.9" springs, Tokico and Bilstein shocks.