Absolutely no movement at all isn't good either. It would amaze you how much the whole exhaust system grows when it heats up. This is easier to measure on vehicles like my Charger where the rear tips have close tolerances with the bumper. When hot, my Charger exhaust grows about a 1/2".
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2014 Ram 1500 4x4 Outdoorsman
Retro Shop Custom FXR Projectors | Diablo inTune | Moe's 87mm TB | BT Oil Catch Can
Toyo A/T II Tires | Bilstein 5100 Front & Rear Shocks | AirLift 100 Air Bags
Bestop PowerBoards | RollBak Bed Cover | BedRug |