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Hey anyone out there? Supersprint X pipe question

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:flag:mmmmmmHas anyone out there replaced the resonators on there E39 M5 and left the rear mufflers stock? If so how much did the sound change?:byee55amg:byebye::viking:
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The topic has been discussed and searching will reveal more than you want to know. I drive with headers, racing cats, x-pipe and stock mufflers. I think the four stock mufflers flow more than the two that they are often replaced with. The sound is much different than stock, not quite as loud as a tubi rumore, but louder than Dinan. I didn't do it for the sound, but I like the result.
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