I'm new to the SSA forum, posting from San Antonio, TX. I recently installed a 12 inch Xcon d1 in my civic, thought I'd let you guys check it out... So far Ive installed a new head unit, sub and amp, speaker amp and 6x9's in the rear, custom trunk floor and "the big three". I've also "sound deadened" the rear deck, rear quarter panels (two door civic), rear pillars and floor with a mix of a quick roof type product, some carpet padding called hair mat and typical 3/4 in" open celled carpet foam. Unfortunately I didn't get any good pix of the deadening installation so I'll post what I have so far. Its mostly box build pix and my custom trunk floor but I'll definitely post progress and new pix when their taken... The equipment I'm running right now is:- head: pioneer Avic-u310bt (double din) sub: SSA Xcon 12" d1 sub amp: alpine mrp-m2000 2 ohm stable at 2000w speaker amp: RF prime 300.4 rear speakers: infinity kappa 6x9 2 ways front speakers & tweets: stock pioneers sub box: 2.9 cubes @ 29 hz 3/4 MDF w/ slanted slot port & black carpet wiring: monster cable 0 gauge, knuconcepts rca's and 12 gauge sub wire sound deadening: scavenged edit: picture uploads not currently working so I'll get them up soon...