2008-2010 Ford 6.4L Powerstroke Audio Upgrades can quite possibly be one of the most underrated upgrades you can make for your overall experience driving your F250 or F350. For long drives especially, a new audio system with premium sound quality, improved bass, and higher fidelity can turn your world upside down for what you thought a road trip could be. You will soon enough be the person who volunteers to drive on road trips knowing you will be able to control your new audio upgrades. Stock Ford 6.4L Powerstroke audio systems are a real let down once you have experienced listening to the audio systems in our catalog at Alligator Performance. Ford Powerstroke Fitments: 2008, 2009, and 2010 Ford 6.4L Powerstroke.Submodel Fitments: XL, XLT, Lariat, FX4, FX2, Limited, King Ranch, Platinum, Tremor.Some exceptions apply, please see individual product pages for specific fitments.