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*new product launch* Valvetronic equal length exhaust
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03-18-2023, 11:49 AM
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LeRoy
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Drives: 2023 BMW M3 Comp XD.
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Hey guys. With the catless mid and all the valves closed and efficient and all that, how’s the drone. From the original video, sounded like there was some drone during normal driving.
Appreciate
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