First, if you're not wanting to spend very much money, just straight pipe it. You can cut the pipe off up to the engine, then run 3.5 or 4 inch pipe out the rear end. It's a great and cheap way to make your truck smoke. Well, that's about it. :D
i put a chip in mine and it black smokes
Put a plastic bag over your air filter
Need to know why this is necessary.
Buy a "bully dog" chip that plugs into computer/ fuse box
Get a life. black smoke means unburnt fuel
6.4L Powerstroke Dual Turbo Diesel V8 - - - 12mpg city / 17mpg highway COMBINED - - - 14.5mpg (Fuel effeciency can be improved by a DPF delete kit. This will make your truck blow black smoke but it's completely normal for a diesel. Deleting the DPF will void your 6.4L Powerstroke Turbo Diesel V8's 5 year/100,000 mile warranty.
Smoking over time will make them black.
Black smoke is usually from excess fuel. Blue smoke is usually from excess oil.
DPF Delete Pipe and No Cat is all it takes for a 7.3L to smoke. That's all it takes to make any diesel smoke up until the 2010 model year. Or run a straight pipe right out. I took all the emission systems out of my 7.3L stock muffler and it smoked.
you can use chips, power mods, and smoke switches.
If you have some rubber/plastic with you that burns black.
Sugar, and sulfuric acid