I also replaced my AllStar chain drive opener with a Chamberlin belt drive (with a Craftsman label) but I think I got more noise reduction from replacing the steel rollers and oiling the hinges.
The first and only time I replaced rollers and it took no more than about 30 minutes.
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How to Replace Garage Door Rollers & Where to Buy Them - YouTube
I should add that years ago I measured the tracks and found they weren't exactly parallel or square to the front of the garage. I straightened them up and that smoothed out the operation of the door.