That is a great video! Not going to lie, that is a far bigger difference than I expected!
As Porschefile questioned, I'd love to see what a full bolt-on, primary cat delete, and tuned M3 would do compared to stock.
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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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