Quote:
Originally Posted by david @ eas
Here is a dyno sheet of an e92 M3 with all the bolt ons without a tune:
We also dynoed another car with similar mods ( Macht Schnell Stage 2 Intake Charge Kit, Underdrive Pulleys, and Akrapovic Evolution exhaust) that yielded similar gains without a tune.
You can read more about it in this thread.
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if its tune what am i lookin at? hp wise?