pick up a haynes manual off of ebay.

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81 280e
16" 8-holes
clear indicators, new exhaust/intake

stereo -
jvc head unit
6 infinity kappa coax's
aura mr675h 90x6
2 aura mr475's, 200x2 each
2 audiobahn aw1200s in a ported box
1f cap

not bad for a car older than me, huh