HEY GUYS MY NAME IS TONY AND I HAVE A 2003 COBRA. MY QUESTION TO ALL 03 COBRAS IS WHAT KIND OF GEARS TO DO MINE WITH.4.10s,4.30s or 4.56s? I HAVE GOT BBK LONG TUBES,BBK OFF ROAD H PIPE AND FLOWMASTERS AMERICAN THUNDER.SOUNDS REAL GOOD.MY DYNO WAS 392.6 RWHP AND 378.2 RWTQ. AND ADVICE WOULD BE VERY HELPFUL THANKYOU!!!