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KevinsM6 01-25-2013 06:38 AM

Agency Power Exhaust
I am looking for a used Agency Power Exhaust for my 06 M6.


Jackson1019 01-25-2013 06:49 AM

I would NOT recommended Agency Power. I have seen dyno of theirs headers actually losing power.

These are the exhaust systems I would recommend for the most power and best sound:


KevinsM6 01-27-2013 04:29 PM

Thanks I was actually looking for cat back only, but I will take your advice inconsideration.

Jackson1019 01-28-2013 11:58 AM

Also go register on

That forum is way more active and is a very helpful community with great people.

KevinsM6 01-28-2013 03:16 PM

OK thanks, by the way what kind of wheels are those? I need to post some pics of my M6 just added H&R springs and spacers looks awesome.

Jackson1019 01-30-2013 08:12 AM

They are the stock BMW M6 wheels style 167.

I hated the OEM gun metal finish so I had mine powder coated matte black. $90 a wheel

KevinsM6 01-30-2013 08:36 AM

Wow they look awesome that is the answer to my wheel problem thanks so much.

Jackson1019 01-30-2013 09:08 AM

Thanks! It really changes the look of the car IMO.

Glad I could help!:thumbup:

greco2000 01-31-2013 04:34 PM

+1 on the Eisenmann. Best exhaust for our car, bar none!

KevinsM6 01-31-2013 06:34 PM

Hi thanks just bought a used set of Eisenmann mufflers today. Went and talked to my mechanic, he is recommending adding an X pipe and removing the two aft cats. but not removing the resonator stating it would create too much interior noise. Are you sure you removed the resonators not the aft cats?
Thanks, Kevin

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