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  1. 9-3 Sedan, Cabrio '04+, Combi, 9-3X Workshop
    (2010 9-3 Saab 2.0T fwd 6 sp. manual) So have a smart performance mbc installed and just installed a bsr optiflow intake. I know how to tune the mbc until I hit the fuel cuts. With the bsr intake on, it sounds like a bov. THere is an incredible amount of air being released. For how...