The JL stealth box rocks, I have it in my 03 cobra. It hits hard, it even drowns out my Xhaust (bassani catback/ bassani O/R X pipe) Make sure you run a decent amp to it, and some sound deadening in the trunk will help.
2003 Cobra
Densecharger CAI
Bassani catback
Bassani O/R x pipe
pro 50 shifter
409rwhp DynoJet
390rwtq