Chassis designation of the 1990-93 3-door [Integra], not including the 92-93 GSR trim. This includes all RS, LS, and GS 3-door trim levels. The phrase "DA" (pronounced dee-ay) is frequently used as slang to represent all second generation Integras as a whole, including four door and GSR models.\n> I just installed the one piece headlights onto my DA9.\n