This is Mini Hardtop by Liberty Walk. In case you want something different that John Cooper Works bodykit, the product from Liberty Walk is something a lot different. Liberty Walk is a tuning company from Japan that specialised in created a bolt on wide body kits for exotic cars like Ferrari, Lamborghini and GTR.
All body kits are sell separately. You can either choose the body kits made from carbon fiber material or plastic. Of course the plastic is cheaper and if you want to buy a complete set, it is cheaper to buy separately.
The modification does not include suspension modification. You may want a static suspension or air suspension to lower your Mini. But if you decided to maintain your current standard setup, you better maintain standard a Mini look or at least a JCW bodykits.