airdog 2 df-165
#6
I dropped an Airdog II into my buddies '08 Cummins, and that darn thing is loud right from the get go. You can even hear it at an idle if someone is parked next to you. His is mounted on the left frame rail, O/B side, near the rear door. I was supprised how loud that thing really was. However, it has been working like a champ since we installed it, last July/August. I'd say it's probably fine. I'm fixin' to get one, myself!