Exhaust looks tits man. I would say just get the 4.6is / 4.8is exhaust trims, the big hole gets cleaned up a bit with those but the big hole doesn't look bad. Or try trimming your stock exhaust cutout pieces first to see if those can look clean.

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2018 Ram 2500 6.7L Cummins 68RFE
19k miles -Bright White/Black - Big Horn Sport - Crew Cab Short Bed
2013 X5 35D (CEO's) - Born on 5/17/2013 -
82k miles - Alpine White/Cinnamon Brown/Premium Pkg, Sport Activity/Premium Pkg and Sound/20" Style 214/Running Boards