Hellcat Challenger vs Yukon Denali..

[Wristdoc]

Are they doing anything to trans at all?

http://www.hennesseyperformance.com/yukon-62-di-hpe650.html

It doesn't look like it, except maybe to recode shift points, etc. The kit looks awesome, and I'm all about bragging rights, but at $25k I have to ask how much I would actually use the extra power...

 

[JennaBear]

How reliable are these? Can the 5.3 and 6.2 handle the boost with little risk of blowing up? How does the 6 and 8 speed handle the extra power?

I'm running 11.1psi with a tvs2300 and progressive meth on my 6.2, no issues!

We are running 9psi on our 6.2l Silverado with tvs1900, no problems.

Just gotta run good gas, and know when you can't get on it.