I wouldn't. The kind of updates Bill has for the Gryphon are for specific issues and if you've not had problems, there's no reason to risk a corrupt firmware download. I've had my old monochrome Gryphon longer than you've had yours, and the last time it was updated was when I got my second tune in 08.
I've never updated my CTS since getting the custom tunes for it.
- Jack
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2024 F150 Platinum SCrew 3.5L PowerBoost FX4, Peragon Tonneau Cover, LineX Bed, 35% Window Tint on All Sides and Rear, Full Nose Paint Protection Film, Husky Mud Guards, Lasfit Floor Liners, VIOFO Dash Cam
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