New 400HP ECU Upgrade on all 2011 F-Series Super Duty Pickups with V8 Diesel

Don't you just hate it when you buy a product and then a month later the company decides to release an upgraded version? Take owners who purchased a 2011 F-Series Super Duty diesel earlier this year, for example.When the pickup was first launched onto the market, its 6.7-liter Power Stroke V8 turbocharged diesel churned out 390HP and 735 lb-ft.