I've got the towing package with the factory extra "add a leaf" and the 2" shackle didn't even level mine out. It did help a lot tho. I don't know if I'm going any lower or not, even tho I love the look, I don't want to mess up the ride at all.??? Any input on ride quality???

 

im taking my extra helper springs out tomorrow which should give me another inch lower in the back. only problem with that is I'm sure to bottom out and suffer wheel hop, but I'm not worried about that.

 

really doubt if you are going to get an 1" on the helper
1/2" max is about it - thickness of the spring itself.

wont bottom out
wheel hop - we all have that to some degree.
You still have 3 other leafs to try to wind up - It will be little if any