Originally Posted by dlenkewich

I figured this Urea system would do away with the DPF... Looks like it still has one? Thats a shame.

I think DPF's should go down in history as one of the biggest automotive blunders.

Originally Posted by SFCFX4

Maybe when it's incorporated into a pre-existing engine design, but having an engine built with DPF in mind that's able to put down numbers like the 6.7 and return mileage in the low to mid 20s...I'd say it's not such a bad thing at all.

Originally Posted by freekyFX4

It's urea, basiclly bird crap. Look up "MB Bluetec". Mercedes Benz has been doing it for a few years. It gets sprayed into the exhaust to scrub oxides of nitrogen from diesel exhaust. The tank has to be refilled about once every oil change and the stuff costs about $35 a gallon.

Originally Posted by freekyFX4

Where did you hear that it got low to mid 20's? I have read many people say they would buy one if it got that kind of mileage, but I would like to see some actual numbers. So far, all I have heard was speculation.

Originally Posted by SFCFX4

There's folks on PSN and TDS that have already gotten their and are reporting their mileage. The lowest I've seen so far is 17 in town. One guy got 21 short highway trip and felt he could have easily gotten higher if it was a longer trip.

Originally Posted by freekyFX4

Cool. I haven't been to either of those sites in a while. I do know that the 6.7 is quiet! It sounds like a gasoline engine with a turbo. The turbo whistle is much more noticeable due to the engine being so much quieter.