Stiff front end looking at aftermarket solutions

That's not stiff.
Seems about 'normal' as the usual soft way American cars are set up from the factory.

I also don't see the question in your post yet.
Most people only go aftermarket because they simply don't know how well a Mopar suspension (can) works and for some reason think 'aftermarket' is always better.

Do you want a dragracer or a well handling car?