Installed in my 2010 Forester in about 4 hours. Rounds out my system nicely (pioneer FH-P800BT, 4 Polk DB651, tweeter add-on, dynamat on all doors). It will not be heard down the street, so don't buy this if that's your goal. It does add the depth I needed however. Fits under the passenger seat, nice and discreet. I keep the volume on the sub about half and control via the HU. Overall sounds awesome! It gets a high mark on value because I got a better deal than 250.