Thread: Valvetronic Bmw M3/M4 G8x Exhaust System **NEW PRODUCT**
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      10-17-2021, 11:44 AM   #11
iviegatron
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Drives: G80 M3
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Here's a drive by video of the full exhaust sent to me by valvetronic. Sounds quiet to me. Interested to see what others think.

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