I would do that sooner than later, preferably before you throw an amp doing 1k+ in there. Just IMO tho. I think it would help greatly and prolly put less strain on your alt.alt is stock 100amp that does what it should. and am thinking about doing big 3 sometime in the near future
That first amp only does 600w rms brohttp://cgi.ebay.com/AUDIOPIPE-NEW-2-CHANNEL-AMP-1500-WATT-CAR-AMPLIFIER_W0QQitemZ350203574304QQcmdZViewItemQQptZCar_Amplifiers?hash=item5189c27820&_trksid=p3286.c0.m14
or theres
http://cgi.ebay.com/NEW-AudioPipe-AP15001D-1500W-amp-1-ohm-D-FREE-Gift-1500_W0QQitemZ310167076084QQcmdZViewItemQQptZCar_Amplifiers?hash=item483765fcf4&_trksid=p3286.m20.l1116