Quote:
Originally Posted by AlphaOmega4
This sounds pretty good.. I'd also consider Akra Exhaust as an option.. but you will pay for it $$$
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I also considering a new exhaust to my M550i. But I don`t think the different in sound is big enough. I drive with original exghaust bu constantly open flaps and find the sound OK- From youtube its difficult to register an significantely different. Maybe more different sound at higher RPM ?