Originally Posted by garner
It's been tuned for over a month now lol. And to the track. Same times but 1ish mph more trap speed. Wheels and tires were also changed, different weather too
Wheels/tires went from 275/40 sumitomo htr z3 on 19x10 AMR wheels to 235/55 yokohama yk580 on 18x8.5 factory gt/cs bullits
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If you didn't notice anything, then something was wrong. Tune and deleting cats are the two biggest N/A power mods