After my 4th tank of fuel since installing DD2's my truck is averaging 1. 8 MPG more than before. So by my calculations ( I'm not very good at math) they should pay for themselves in the first 77K miles if fuel prices stay the same
Now I can prove to my wife that my BOMBing addiction pays for itself
Kevin

Now I can prove to my wife that my BOMBing addiction pays for itself

Kevin