13) After several attempts, the pipe is correctly position over the suspension and fitted into the muffler.

14) The Magnaflow stainless steel system in place bespeaks quality while providing enhanced performance and a great sound.

15) The mandatory chrome tip is fitted to the tailpipe.

16) It's kind of a shame that you would pretty much have to run a pedestrian over to get someone to appreciate just how pretty the Magnaflow system really is.

17) The Expedition takes another spin on the Magnaflow dyno to record the performance stats after the installation. The results revealed a peak hp of 212 and peak torque of 289 ft. -lb., a gain of 7.1 hp and 8.6 ft.-lb. torque over stock.

(click on photo to enlarge)
The dynamometer told us that, in stock trim before the installation, the Expedition developed 205 hp and 272 ft.-lbs of torque and, after the cat-back installation, 212 hp and 289 ft.-lbs., enough of a performance gain to make everyone want to understand the difference between mandrel-bent and press-bent.