We know what causes it and have decreased it to minimum

Higher roll center (RC)

but modifications to the cross-member will require some DIY cutting and welding

then the car can act better with lowered ride height

You can tune your steering geometry towards positive or negative Ackermann in just a few minutes without messing up the alignment

JR Wheels JR38 22x9 ET10-45 5H BLANK Black Brushed w/Tinted Face CB: 74,1 JR34 We know what causes itPCD: 5x108, 5x110, 5x112, 5x114. 3, 5x115, 5x118, 5x120, 5x127, 5x130 ET: 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45