[Safari_Beast]

Originally Posted by Redlock666

Yes , I have already done a 4 layer dampening .. Its obvious I cannot upgrade the system.. besides I had no intention to upgrade the head unit (infotainment System).. for reference I have a XZA+ variant.. so swapping the headhunt is out of question.. but How do I upgrade the woofer and amp? cause there is no way I can unplug these without cutting the wires.. or the last option is to connect the existing amp to the Helix DSP Amp.. and sub.. and retune the system ..

Yes, you can upgrade the system but DSP would be needed as infotainment would remain in stock. Any good-reputed car audio outlet can do it, I will advice for Amplifier-DSP. I will also be going this way but will use the Nakamichi DSP amp.