You can have a custom paint job,fancy electronics , big brakes, powerful engines but the interior is what makes the car a kit car or an exotic supper car.
I am starting this thread as a pool of ideas and resources to help the GTM builders. There are a few cars with beautifully done interiors and some works in progress that are outstanding. Looking for ideas,pictures and techniques to help all the GTM builders to improve the quality of their interiors, doors and windows and doors seals.