ive got two 12" JL subs (custom box) Infinity 6x9's, Infinity 4x1's, Alpine MRP350 Mono Channel Amp, Formula 4 Channel (bridgeable) amp. all came out of my S13. Subs are less than 4 months old. Speakers about a year old. Everything works. If youre interested shoot me a reasonable offer. Funding the SR swap.