update, its wasnt the weathering strip, or not that i could tell. I tested the boot by pouring water over various parts of it repeatedly, and foud water entering from 4 + parts, including some seams of metal panles. I puit leftover sealent stuff there, but annoyingly there are still decent leaks which somehow let water get in on the L and R sides of the boot. Dispite all my testing, i have noidea how the funk this gets in the boot, its crazy.
Currently im fed up and have given up, and with the weather getting cold over here, i dont know when i will get to attempt to check more stuff. Im wondering weather the boot rubber seal is somehow letting it it, but thats just a last ditch guess.
this sucks