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      04-16-2014, 07:29 PM   #100
jclaib7
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Drives: 2018 M2 Black Shadow Edition
Join Date: Jul 2013
Location: United States, Beverly Ma.

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Quote:
Originally Posted by Chrisar82 View Post
How big of a difference does the AA tune make? I bought mine with it so idk the difference lol.
A small, but VERY nice difference, at least when combined with the BMW Performance exhaust and intake. It sounds like heaven with the windows down.

Despite what Turner Motorsport and AA said, the tune DID change the exhaust note slightly, and for the better.
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