Im looking to do an aftermarket amp system and keeping the factory navi unit in my 2011. Is there any harness out yet that will allow me to do so or will I be splicing wires, using a Line output converter or something? Anyone got any setups or install pics you want to share? I bought a Kicker 10ZX700.5 amps. Its a 5 channel to power the four interior speakers and a 12'. The door subs will be powered by stock amps, but might change it to a Kicker ZX350.4 Bridged to 175x2. My door subs are the Shelby Kicker subs, and I looked them up. They are CVt 8' with 2ohm loan, 200rms and 400max. I used a Kicker 05ZX700.5 before in my S2000 and LOVED it. Also heard so many good reviews about the alpine pdx series, that I would love to try it. My 6x8s are Pioneer TS-D6802R. Sound different than stock and sound like they are begging for an amp to power them.