I've used those before and not had an issue. The CCFL's I've used have always been dimmer than the SMD LED's.

If you want the best, go with Umntiza V2 rings, you will pay for them though.

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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