You can lose a good bit of weight, but it will drastically change the car. There was dude at Z1 with a fully stripped and caged interior and he said that it dropped 500 LBs.
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Competition Clutch|Fast Intentions|Maxbore|NST|Setrab|Stillen|Tomei|Uprev| Z1
Avant Garde|SPC|Stance|Whiteline
Aerojacket|Seibon|Tanabe|TRS|TWM
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