That's a nice head unit. I would pair it with nice speakers (Focal, Hertz seem to be popular) powered by a decent amp. Do research on the speakers and amp (plenty to be found on this and other forums). Buy online and take the stuff to a shop for install.
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2011 370Z 6MT Sport Gun Metallic | ARC | CJM | Ecutek | FI | Fujimura | R2C | SPL | Stillen | TWM | Z1 | ZSpeed | |