Considering it's such a common mod, you should definitely check for a straight pipe system when looking for a used diesel ...

Powered by the same turbocharged diesel V6 used in the Touareg, this example of the diesel Porsche Cayenne was the North ...

A seasoned mechanic named Andy, has simplified the search for the perfect diesel truck by highlighting the unique advantages of each major US brand's engine, specifically General Motors' Duramax ...