This is a seemless installation into you Duramax! The Edge CS and Edge CTS units ship with a GPS style suction cup mount. This package actually comes with a dash piece that installs in less than 30 seconds and looks like the truck came stock with it. I get comments like, "I didn't know these trucks came with that" all the time when people first see my Edge CTS with the dash pod mount.
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The suction cup mount serves its purpose however dash pod is major improvement to both looks and convenience. Easy to install.
This fit my 03 LB7. it looks great and is better than the factory window mount!! Great buy!
A must have if your running the cts. To get it to stick down to the dash is the hard part. Other than that works great