You should likely be fine just changing the back pair. I would do that and if you "feel the feel" isn't right, then do the fronts if need be. That comes down to a financial decision vs the somewhat subjective sense of handling.
2012 GC Overland Summit - Winter Chill with New Saddle interior. 5.7L HEMI V8 - Pirelli Scorpion Verde Plus "shoes" - LED fogs and DRLs
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