[1badgmc]

If you want to go lower than 4", it doesn't matter how you get there, you're still going to need a c-notch. So, if you really don't want to notch it, then stick with your shackles and hangers and call it done. If you can accept the fact that you'll have to notch it for more than 4", I would suggest just going ahead and getting a flip kit/c-notch. The install will be easier than having to deal with hangers and it would ride better than removing leafs to get down.