I have a Cummins powered Ram, so I can't speak for your rig, but I installed the full Power Pak on my truck.
Worth. Every. Penny. Clean, easy install, MPG increase, huge jump in power and it's very drivable. Banks puts together a really nice package.
Now-2014 Sierra 346RETS 5er BUB
Then-2002 Keystone Springdale 286RLDS TT
Nights camped in 2014-28, 2015-127, 2016-10