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      08-30-2010, 08:24 PM   #1
GewoW
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exhaust silencers

anything made for the E9x platforms? what if someone has a loud exhaust and wants to go on the track w/ db maximums?

I know this exists on gt3s and other sports cars, anything for the m?

thx
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      08-30-2010, 11:45 PM   #2
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Akrapovic GT4/Evolution?
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      08-30-2010, 11:56 PM   #3
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Akrapovic GT4/Evolution?
Yeah I think the EVO would pass the regulations, but what about a louder setup that wouldn't?

i.e. I am limiting myself from having a louder system on the street because of the requirement I have on the track.
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      08-31-2010, 12:07 AM   #4
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what about electronic valves?
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      08-31-2010, 12:18 AM   #5
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Quote:
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what about electronic valves?
I want aftermarket exhaust, not alteration of the stock one.

Is there nothing out there that can bolt onto the back of the tips?
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      09-01-2010, 12:05 AM   #6
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Quote:
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I want aftermarket exhaust, not alteration of the stock one.

Is there nothing out there that can bolt onto the back of the tips?
How about kreissieg electronic valve exhaust.

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      09-01-2010, 12:39 AM   #7
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wayyy too much $$ for what you get IMO.
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      09-01-2010, 05:30 PM   #8
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arqray??
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      09-01-2010, 06:28 PM   #9
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arqray??
heard nothing of it yet (sound). it's a possibility
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      09-02-2010, 12:57 AM   #10
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Oh and the last one that I know of is Meisterschaft.

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      09-02-2010, 12:58 PM   #11
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I believe agency power makes an EVC exhaust as well
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      09-02-2010, 05:41 PM   #12
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Quote:
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Oh and the last one that I know of is Meisterschaft.

way too much drama with Meisterwtv and GTHaus and Eisenhaus for me to consider it

thx for all your recommendations though
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      09-02-2010, 07:45 PM   #13
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Just get an exhaust with removable tips like the AA Exhaust I have. Then go to a custom muffler shop like I did and have them make you some custom tubes that curve downward.

This cuts about 4db and brings even my loudass exhaust to legal track limits at our local tracks. When I was in Tremblant I was black flagged at 92.4 DB's ... Limit is 92 so use tips and you're good. They are ugly as hell but only to be used at the track. I bring them to all my track days in case I get black flagged.
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      09-02-2010, 09:50 PM   #14
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Quote:
Originally Posted by M3 Montreal View Post
Just get an exhaust with removable tips like the AA Exhaust I have. Then go to a custom muffler shop like I did and have them make you some custom tubes that curve downward.

This cuts about 4db and brings even my loudass exhaust to legal track limits at our local tracks. When I was in Tremblant I was black flagged at 92.4 DB's ... Limit is 92 so use tips and you're good. They are ugly as hell but only to be used at the track. I bring them to all my track days in case I get black flagged.
Which one did you go to? Like Mr Muffler?

that's a good idea - didn't think of that
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      09-03-2010, 09:10 AM   #15
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Quote:
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Which one did you go to? Like Mr Muffler?

that's a good idea - didn't think of that
Specialized muffler place off Cote De Liesse (south side I forget exactly where) and I paid about $200 for 4 tips with bolts.

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