I know for a fact that my 88 sedan uses the 9004 (i changed them myself) I think it was the 89-90's when the coupe switched to the 9005/6 bulb combo. But don't quote me on anything cept the 88 sedan
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Sound:
Panasonic CQ-DFX983U (Headunit)
Infinity Reference 6002I(Fronts)
Polk DB650 6.5's (rears)
(2) 12" Kicker Comp Vr's
HiFonics Brutus BX1500D
more to come....