is this an audio enhancers prefab ported?
not looking to buy it...just came across it....http://cgi.ebay.com/88-98-Chevy-Silverado-GMC-Sierra-Ext-Cab-Box-Kicker-Sub_W0QQitemZ360156484078QQcmdZViewItemQQptZCar_Subwoofers_Enclosures?hash=item53daffd1ee&_trksid=p3286.c0.m14&_trkparms=65%3A12|66%3A2|39%3A1|72%3A1234|240%3A1318|301%3A0|293%3A1|294%3A50
not looking to buy it...just came across it....http://cgi.ebay.com/88-98-Chevy-Silverado-GMC-Sierra-Ext-Cab-Box-Kicker-Sub_W0QQitemZ360156484078QQcmdZViewItemQQptZCar_Subwoofers_Enclosures?hash=item53daffd1ee&_trksid=p3286.c0.m14&_trkparms=65%3A12|66%3A2|39%3A1|72%3A1234|240%3A1318|301%3A0|293%3A1|294%3A50