only mods are my 7000k hid lights..kk intake and 18x7.5 konig theory opal.with Nitto NT 450 Extreme Performance Ultra high performance in all seasons. Z-speed rated. 215/35ZR-18 tires.wich i just orderd and should be here 2-3weeks..as for the system i have 6x8 all around powered by 600watt kenwood amp..and two 10in polks(they were kenwoods but they blew)in a bandpass box powerd by 700watt kenwood amp.. the head unit is sony mdx....its a decent system...