Wide arch problems

Hi everyone, need some wide arches for my k11 to cover the wide wheels. Problem I've got is the rear is a 5 door.
Has anyone fitted any to there car?
I've got a set of nismo arches and can get the front to fit however the rear will be miles out or need a lot of modifications to fit over door.
Any ideas or pics of what you have would be great.
I'm thinking universal but wanted it clean looking not just rivited on.
Cheers, pete

Cut at the door lines. Could bond them on?

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Yes I need to get back to the drawing board and think what I can do as I don't want to give the police a excuse to stop me as the wheels are so wide.