Stainless Steel Works! Look them up on line and search their website. I also have a 2010 5.4. They make a whole kit with long tubes, high flow cats ( or not), and X pipe. All for about &1,500.00.
2010 F150 XLT 4X2 Screw 5.4 3V 5.5 bed
AEM CAI and TBS
True dual exhaust with X-pipe and DI/DO Magnaflow