Quote:
Originally Posted by Zebra99
Put a JB4 on that biznitch and we'll see who has better straight line accel. LoL.
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Quote:
Originally Posted by ilya335
I believe the 335i actually has a better tuning potential due to the turbo. I don't know much about Audi tuning but I would be surprised to see getting much more power out of a supercharger.
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Just a heads up, in the new EuropeanCar mag. A GIAC tune only S4 put down 412whp. The S4 tuning is just getting interesting.
APR for awhile was the only tuner that had cracked the S4 ecu. Now more powerful tunes are hitting the market.