Gen 1 - Exhaust Measurements

[BC Viper]

Looking to do some exhaust work on my '95 RT10... does anyone know the size of the pipes on the Gen 1 (and what diameter the OE Muffler ends are)? I am thinking of putting in a glass-pack where the muffler is... anyone do this before?

Thanks for the help!

 

[SNKEBIT]

2&1/2 inch I believe.