well i know dual arent the best head units but are you sure all the settings are the same and check the specs on the new dual one compared to your old one and see if they are close.
2001 NMB Camaro - FRA, Eibach Springs, Slp Lid and
Fan Controller, Cat-back, and soon to come Nitrous Kit!
1999 Black FRC
Monsoon HU - FOR SALE