Thanks Mike. Wasn't sure if I'd get into trouble posting a link :)
It's a really good read for the Duramax owners out there.
http://www.duramaxforum.com/forum/how-tos-diy-write-ups/83493-how-diy-injector-cleaning.html
I'm interested in opinion's before I do this. I hope to do it...
Your not gonna get a quiet ride with the MTZ's Jeff. The sweet aggressive look of the MTZ's make up for it though. :)
Although if your truck only see's pavement, go with something less aggressive. Just my opinion though...