i went to a audio innovations (glendora) last saturday, and i decided to add a little thump to the GCSRT8....here is my simple set up, its a 10" bazooka tube, and a 600XD mtx thunder amp, im surpised how loud it actually is...the guy turned down the amp all the way down because he said it'll be to loud if it was turned up... here are the spec's of the amp if your in to that stuff http://www.mtx.com/caraudio/products/amplifiers/xthunder600XD.cfm amp bazooka
its mtx 600xd mono block, im still running the stock mids and highs, im really happy with the set up id recomend it to anyone. i also have the factory sterio. the cool part is that the amp you dont need to run a remote, it works with the RCA's eazy install!!!