I just did a 2/4 drop that turned out closer to a 2/3 drop so far. It’s day one so it might still settle and I may have to adjust the auto level in the rear, not sure if I got the ride height sensor rods cut down far enough. I went with 4” lowering springs in the rear with shock relocators. For the front I simply flipped the struts to mount under my aluminum control arms with grade 10 bolts and nuts. I got exactly a 2” drop there. I remembered this mod from others here who have done it. 
