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Sounds great! Mine goes on tomorrow! Now I'm excited. Since we are vendors on here my dealership is throwing one on my car for marketing purposes. To be honest though I don't believe that there is any power gains. I think it's just for a more aggressive sound. What I've noticed on the other BMW Performance and M Performance exhausts is that the casing is very close to stock with the internals being different to create the more aggressive sound. When I did my 135 BMW Performance exhaust there was no difference in weight or power just sound.
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2013 E92 335i M-Sport/BSM/Black Dakota Leather/Dark Glacier Trim/Steptronic/Style 230's/Premium/Convenience/Premium Sound/Sirius/Apps/Navigation/Heated Seats/BMW Performance Grills/BMW Performance Exhaust/BMW Performance CF Mirror Caps/BMW Performance CF Splitter/BMW Performance CF Spoiler/Painted Reflectors/15% Tint/Extra Boost  |