Originally Posted by whitev8
I got my magnaflow mufflex installed. It was easy and done in about 20 minutes, all it took was 10 wacks with hammer and peace of wood. I did not even have jack it up. The 2012 5.7 and 4.7 HAVE THE SAME SINGLE EXHUST SETUP. I purchased the one listed for the 5.7 and it lined up perfectly as mufflex told me it would. I love the sound of my 18inch on my truck. it is loud with accelerating and barely hear it when cruising and best thing it's not permanent and be put back to stock in minutes.
Excellent! Now throw up a few pics and maybe a sound clip of it.