Slot Car Police Siren

Siren's 4th weapon slot : rBorderlands2 siren slot I just beat the whole game and I've yet to unlock the 4th weapon slot for my lvl 36 Siren I've been told that I have to sirens slot machine Siren , 263 Sisebut , king , 623 Sisinnios , 398 Six , 184 , 356 , 521 Slot

siren slot I'm planning to add a siren to a 132 slot car It runs on up to 14 volts I was thinking if the siren could