This is going in a Toyota Tundra Double Cab pickup, the planned enclosure for the subs will be a custom "L" shaped (non-ported) box that will replace the center rear seat. The component speakers will be installed in the stock speaker housings. Panasonic CQ-C8305U head unit Focal 165VR component speakers Infinity Reference 475a (driving the Focals) Kicker CompVR 07CVR124 x2 in a custom "L" shaped box to replace the center rear seat. Alpine MRP-M850 To drive the subs 1 Farad capacitor I had a similar setup in my old vehicle with regards to the head unit and amps using the infinity kappa perfect series of speakers; the sound was phenomenal with any genre of music you threw at it. I'm hoping to recreate the same level of SQ with this setup.