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A tune is by no means necessary but it is a significant improvement for the little extra you pay in comparison to a full Akrapovic Evolution.
Although my car is otherwise 100% stock and my Evolve Stage 1 Tune, even that made a tangible difference. I recently flashed back to stock since I plan on dynoing this week or next and I quickly noticed the difference in driving experience.
I think what the Akrapovic Evo specific tunes such as the Evolve or ESS offer is improving and enhancing what the exhaust already does.
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F80 M3 DCT|Alpine White . Black Leather | My Build Thread
E90 M3 DCT|Melbourne Red . Speed Cloth | My Build Thread
E46 M3 6MT|Jet Black . Black Nappa Leather | My Build Thread
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