In your driving condition, I would think Hotchkis front bar (as Nismo#91 mentioned) , a real LSD (since you mentioned power on corner exit), brake pad+fluid upgrade give the best immediate bang for bucks.
Of course, if you are real serious about pushing your car the limit on those twisty roads, then stock alignment won’t suffice, then lead to needing adjustable control arms, yadiyada etc.
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Setrab | RE-71 | SPL | JRZ | Nismo | ARK | Whiteline | RacingBrake | CJM Oil Pan | Ti shield
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