Well, I can't sit here and explain the theory behind the "folded 18"...but there is one thing that I remember for CERTAIN...
The 18 would literally make your guts rumble the farther back you were from the cab.....Now, as to how that works? who cares! But work, it did!!
The 18 would literally make your guts rumble the farther back you were from the cab.....Now, as to how that works? who cares! But work, it did!!