One of my first cars was a 1976 Charger SE, not as big as this car, but still big for a 2-door (215" long, 115" wheelbase, 77"wide. It had the 400-2v engine. I swapped out the intake for a Carter T-quad (which netted a 2MPG increase), added true dual exhaust with a balance tube (this car did not come with catalytic…