Some European vehicles with double-sized openings require a special "e;cage"e; bracket for installation, but this bracket is not included with Pioneer double-DIN receivers.
This Pioneer ADT-VA133 mounting kit includes all you need, including a mounting cage, two side-brackets, rear-support bracket, trim ring, mounting hardware, and removal tools.
Trim Ring: Width = 7.405"e;, Height = 4.655"e;, Depth = 0.455"e;
Cage: Width = 7.325"e;, Height = 4.605"e;, Depth = 3.115"e;