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I know it's been a while now, but has anyone been able to consistently run around 12.2 - 12.4 in the quarter mile with their GSR, and if so, what's the normal mods to get you there? I'm guessing:
1. Catback or Turbo back exhaust; 2. drop in air filter or new system like AEM; 3. larger front mount intercoolor; 4. upper or lower intercooler pipe; 5. tune to tie it all together?
Thanks.
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