The Sons of Italy Foundation 2013 SRT Viper GTS 1 / 2 Next The Sons of Italy Foundation 2013 SRT Viper GTS The Sons of Italy Foundation 2013 SRT Viper GTS features a unique paint scheme and unique black wheels. 1 / 2 Next The Sons of Italy Foundation 2013 SRT Viper GTS will be auctioned off in January at the Russo Steele auction in Arizona. Your name Subject Comment *