I bought this Gibson setup for my 2004 F150 FX4, SuperCab (not SuperCrew), with a 6-1/2ft bed. This is the "new body style" F150, and not the "Heritage" model. Truck has the 5.4L 3V engine, and being an FX4, is 4-wheel drive. Truck is all stock with no modifications.My requirements for a new system were: 1) excellent fit, 2) high quality, and 3) a moderate, smooth sound. This system met all three goals perfectly. Installation was a piece of cake, and in fact, I never even jacked the truck up or took off the rear tire. I simply sawed off the old pipes to remove the old system. That turned out to be 90% of the battle. The Gibson system literally slid right into place. All factory hangers lined up nicely. Supplied hardware was good. Clearance with all pipes and the truck literally were OEM in nature, even with the larger, mandrel bent piping. Build/weld quality on the muffler was all good as well, and the pipes were not super thin gauge material. I sprung for...