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Improving exhaust sound

Specific discussion about the E89 2009 Z4 (sDrive35is, sDrive35i, sDrive30i, sDrive23i)
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Nicolae
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Improving exhaust sound

Post by Nicolae » Sun Jun 06, 2021 4:14 am

Hi, I am looking to bring a change to the way my 23i sounds. Looking to get a valves system that can allow me to go loud/silent when needed. Any good recommendation? Maybe some good garage in Uk that can get it done. Looking to get AMG sound style kinda . Not really interested in popcorn but more in the way the car sound when accelerating. Thanks!

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