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BMW M4 Akrapovic vs Stock Exhaust Sound Comparison

This video compares the BMW M4 F82 equipped with an Akrapovic exhaust system against the stock version. Featuring detailed ...
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Does the J Pipe Install Really Transform the G82 M4

We installed a Supersprint J Pipe on our G82 M4 and tested three setups back-to-back: stock, resonated, and non-resonated. In ...