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      04-13-2014, 11:55 AM   #1
Melbourne Red | Carbon

Drives: 2008 M3 Coupe
Join Date: Sep 2012
Location: Massachusetts

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looking to hear Eisenmann/Challenge Sport HFC setup

Looking to purchase Eisenmann Exhaust black series but unsure what setup to go with. Debating between Sport v. Race with Challenge Sport hfc x pipe.

Worried that race will be to much drone and problems with the law.

please advise.

thanks in advance.
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      06-06-2014, 09:33 PM   #2
EJT86's Avatar

Drives: 2011 M3 DCT
Join Date: Mar 2014
Location: Boston, MA

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I have the race only no x pipe or hfc and I think it's perfect once broken in its a lil on the loud side at first. It does drone (like any other "loud" exhaust) but turn the radio up a lil (you won't need to blast it) and I don't notice I was worried about the drone and loudness before I bought mine too. I was advised sport was better with hfc x pipe though
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