Borrowed from the SRT Hellcat/392 forums. Who needs boost? :D:D:D
Whipple and headers made 609.9hp.
http://www.hellcat.org/attachments/2...115-jpg.76833/
http://www.hellcat.org/attachments/2...843-jpg.76841/
http://www.hellcat.org/attachments/2...357-jpg.76849/
And this is what it sounds like for those who are interested.
https://youtu.be/N9aZNU8zc9w