A Volkswagen GTI with a
Jetta front end swap. The fenders, hood, bumper,
grill, and head lights of a
Jetta are swapped in with the that of the GTI's, hence JTI.
guy 1: Oh look, that dub has a
Jetta front end
swap with blacked out e-codes and a 20th lip!
guy 2: That's called a JTI dug.