I recently installed an aftermarket exhaust on my BMW M4 and noticed that it sounds slightly different. The manufacturer claims it will improve performance, but is this change in sound normal? Should I be worried about any potential issues?
ReplyIt's completely normal to experience a change in sound after installing an aftermarket exhaust on your BMW M4. However, if you notice any drastic changes or decrease in performance, it's important to have it checked by a professional.
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