Damn nice rig I would include one of these if you are into rockcrawling! DIamond plated and awesome! I have the magnaflo box only its improved the sound and seemed to add a bit of power..nothing else on my rig..it tucks up much higher than the OEM version. GOod luck on your search for performance.
Flowmaster Extreme Off-Road Series Mufflers, Mufflers - summitracing.com