I have for sale a DUAL 10inch speaker Sub woofer box that fits in the back of 4th gen Fbodies. This Box is specially made for the 4th gen Fbodies. THe Subs are PUNCH brand pushing some good bass. Paid $250 for whole set up. Ill let it go for $125 +shipping.
Email me for pictures at mjtcst2004@yahoo.com
Chris