For all car brands, interior upgrade is just normally a refinement of the components -- from fabric to leather (w/ red stitching) for the seats and sidings, then carbon fiber trim instead of wood, etc. Minimal na lang yung changes sa design. Maraming shops naman who offer services to upgrade the interior.

Sa Lancer, the 2DIN headunit is already there, with an option for GPS and reverse camera plus the steering wheel control. Weird lang is yung TOTL GT-A ang naka Rockford Fosgate sound system pero hindi maganda ang headunit. Kailangan pa palitan ng aftermarket 2DIN headunit.

Sa interior, just keep it clean and odorless, okay na. Kapag nasa loob, your eyes should focus on the road, not on the details of your interior. Kapag maganda naman ang exterior, even mga owners napapa 2nd/3rd look sa kotse after mag park. So I guess, it comes both ways.

For me naman, ang Lancer pogi (masculine); ang Elantra maganda (feminine); ang Civic di tiyak. Up to the TS on where his heart is