the stock brackets were way too flimsy IMHO, so i found some angled brackets laying around the shop to use:
i forgot what size drills i used, i can get that tomorrow if anyone needs it.
i cut and ground the brackets to fit better. this pic is after i sandblasted them to prep them for black oxide:
here's everything installed, brackets blackened, and wires zip tied to secure them:
passenger side close up:
drivers side close up:

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2.4" front/1" rear leveling kit - toyo A/T 285/75/18 tires - bull bar with hella 500FF lights - 20% tint side and back windows - 55% full windshield tint
in the works:
stock HU -> LOC -> PPI FRX-456 -> DLS A4 + Marathon 6150 -> DLS iridium 6.2 comps + Hybrid-Audio L3's + 4 Tang Band W6-1139SI's
to come:
JBL MS-8 + center channel speaker + components for the rear + sirius adapter for stock HU