Ae86 coupe is 60 lbs lighter than the hatch and the body is stiffer because of less open area in the rear. And they look better. I'd say go for it!
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Part of:

Wangan Midnight Maximum Tune 2 sedan expert.
APXRO: JZX100 Chaser "Odaiba Romance" 815HP/DG B1 2 overhauls. secret weapon
PM!: UCF10 Celsior "Jealousy" 810HP/DG B3 0 overhauls. vs battle car