Like the title says, OEM wrx springs (74k) - $40 TD04 - (67k) fins are chipped a little, good shape no abnormal shaft play $30 Prices are obo
My roommate had one in his Legacy GT and it sounded fantastic. Its not going to rattle windows and blow eardrums but it will fill the bottom end void that plagues the stock system
They are an improvement to the stock stereo, but not even close to your standard aftermarket sub. That being said, if you have a stock setup as it is, it is a nice improvement... Does the 6-disc have an AUX port?