I don't believe my car has an amp because I don't have a factory sub. Also how many watts could the stock HU put out? I'm thinkin about gettin a 200w amp and 300w rms sub. Obviously nothing too crazy but just want a lil boom in my ride. Thanks for the advice.
DD: 2003 Ford Focus ZX5-65mm TB, Intake, Long Tube Header, 2.5" exhaust, UDP, Tom's Tune. Almost 200k miles and still running strong!