If it was my car and I wanted to make the suspension more dynamic I would just fit some Eibach springs. Gives the car a slight lowered look and they are very progressive and dont make the car to uncomfortable.

Coil over suspension is really only for track use its very unforgiving on public roads full of potholes and speed bumps.
I really wouldn’t consider coil covers on a micra. A good set would be over a grand.
A Einach spring kit is £120.
It ruined my car, had major problems with camber, potholes and speed bumps were a nightmare. Have just put eibach lowering springs and vogtland shocks on it now and its great for road and if I wanted, track too. Had to order camber adjusting bolts from demon tweeks.

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