I'm moving up in the world from 3 jl 13s 2 ohm down to 1 ohm with about 1800 RMS too the three up too two hcca 15s space is not a problem and neither is RMS wattage or electrical I can handle all that I just need some suggestions of tuning of my box and encloser size along with port dimensions curious on what works well I think I wanna go with 35 hertz. Any information or suggestions would be much appreciated. BTW box is going where my back seats used to be in a 2011. Gmc extended cab.
Thanks
