mancini or jeggs leaf spring xhd 340duster

I run the xd's from mancini and they are way too stiff! The car is horrible to drive and even the slightest bump feels like ur driving off a cliff! I'm going to remove a couple leafs and if it doesn't get better I'm getting rid of them. I hate to scrap them as they only have 100 miles on them but I can't stand them.