by 
Check out this in-cab footage of a 60 Series Detroit Diesel Jake brake with 8″ straight pipes. There is a reason that they put up those no Jake brake signs, and this is exactly it. This thing sound like the damn apocalypse rolling down the road, a very low, badass sounding apocalypse.
This is how I imagine other truckers feel when passing this rig:
[scroll down for video]
