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What are the differences between the 1996-1998 (6G-1) front end and the 1999-2000 (6G-2) front end?

The following are the differences between the US 1996-1998 (6th gen - first front) front end and the US 1999-2000 (6th gen - second front) front end.

- Headlights are shaped different in the corners ('96-'98 rounder; '99-'00 more pointed - this affects the hood and fenders too).
- Headlights are different lengths ('99-'00 is longer than '96-'98 - this affects the hood and bumper).
- Headlights' inner corners are shaped differently ('99-'00 is more pointed - this affects the bumper).
- Headlights are different in internal design ('96-'98 has long amber reflector and amber bulb cap in the turn signal; '99-'00 has small amber reflector in between headlight and turn signal housings).
- Grilles are different (SEE NEXT EXPLANATION).
- Space between headlights and grille is different ('96-'98 has more space - this affects the front of the hood too).

Regarding front lips, the Si comes standard with a front lip, but all other '99-'00 trims had this as an option too. '98 coupes had an option for a full lip kit too and '97-'98 models had the option for a black front under spoiler IIRC (have to verify in parts catalog).

Sedans for all model years have a chrome shell around the grille. Coupes and hatches have paint matched grille shells. The Si has a mesh insert, but the number of holes in the mesh is different than the number of holes on a CTR grille. The Si also has a removable center emblem in the grille.