Just saw this and really interested. I have a black IS that the paint looks rough on...is something like this the clay bars that you would us? IPELY 4 Pack 100g Car Clay Bar Auto Detailing Magic Clay Bar Cleaner for Car Wash Car Detailing Clean https://www.amazon.com/dp/B0753FSQN6/ref=cm_sw_r_cp_api_i_EQKIFbP72T4H1