Friends 2008 Viper and he has ordered the Belanger Headers/ cat. delete with the 4 mufflers and should be in next week to be installed... The question I have is that he has ordered the performance up graded computer from Mopar and I would like a response from someone that has done it or seen it done... Mopar says the up grade computer is a bolt on and plug in and your ready to go with out any other re flashing or programing... What's the scoupe? Please respond!

