This video shows you a very loud Dodge Viper GTS tuned by Heffner Performance. This Viper has now around the 650HP. You can see some amazing backfiring sounds while accelerating. You can see it dragracing against a Nissan R35 GT-R and a Lamborghini Aventador LP700-4 on a closed airfield.
1st Channel: http://www.YouTube.com/GUMBAL
2nd Channel: http://www.YouTube.com/GUMBALTV
3rd Channel: http://www.YouTube.com/CarChannelClassic
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