While the 6.0L Powerstroke diesel under the hood of your 2004-2007 Super Duty has its moments, it also has a lot of problems. Stage 3 is making it simple and easy to get a wrap on your 6.0L by providing packages from various reputable manufacturers designed to remedy a host of common issues with the engine. Also be sure to check out our full selection of 6.0L Cold Air Intakes for a complete performance upgrade! Ford Super Duty Fitments: 2004, 2005, 2006, 2007 Ford F250 & F350 6.0L Submodel Fitments: FX4, King Ranch, Platinum, Lariat, XLT, XL Some Exceptions apply, please see individual product pages for specific fitments.