For anyone interested, there is a great video of a modified GT and modified Viper on the Viper club SRT forum. If anyone knows how to post it here it's worth watching. The only problem is it's in German.
that was a very good comparison of these two modified cars. the GT had a whipple and dyno'd 711 rwhp and the SRT/10 viper had a paxton and dyno'd 766 rwhp. the flames coming out of the vipers sidepipes was so :cool that viper was a beast :thumbsup