The dealership offers the intercooled kit (the 150hp gain) as well and they would not offer it if it was going to destroy the car. Buy the intercooled kit, its a little more, but it runs stronger and safer in the long run.
2012 Race Red GT w/ a 5 Liter and a 6 speed
2010 Dodge Challenger R/T traded in.
'03 DBS Cobra .... Traded in, THANK GOD
'01 Ford Lightning.... Sold, sorely missed