Thread: Full akrapovic + Full technocraft = reduced performance？
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      12-13-2009, 10:01 AM   #6
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Drives: BMW M4 GTS
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Quote:
Originally Posted by sammyrusso View Post
Tune definitely necessary...POWERCHIP done deal
+1! Tune gives the most power gain and avoids CEL, but not necessary to make the setup work.
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