Is it illegal to cut parts off the frame in some states? I want to get rid of the seat bracket in the back but I’m not sure if it will force a salvage title.

https://i.redd.it/s2daj1ke6gs21.jpg via /r/CafeRacers https://www.reddit.com/r/CafeRacers/comments/bdhdop/is_it_illegal_to_cut_parts_off_the_frame_in_some/?utm_source=ifttt