what is the most whp that can be made on 91 octane?
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04-07-2004, 12:17 AM
2003 WRX Rally Blue
- sold, waiting for 2015s
Originally posted by subaru11211
I am at 320 whp and i still havent gone to standalone or piggyback.
and still running 91
Ummm... ECUtek?? Darn good custom tune I'm guessing... inquiring minds want to know!
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