Check engine light for upstream O2 sensors; front brake calipers need attention. Mods include lowering springs, full exhaust with carbon tips, RS-style grille, intake, headlights, tail lights, spoiler, backup camera, CarPlay, boost gauge, and built-in subs. Transmission replaced with a used unit; major maintenance done including water pump, timing chain, serpentine belt, spark plugs and coils, radiator, vacuum lines, charge pipes, fuel pump, and starter.