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      03-10-2010, 07:43 PM   #1
bame_E92
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HELP...OEM Exhaust Upgrades?

Does anyone know the best way to up the noise on the 2009 E92 OEM exhaust? I want to keep the stock exhaust so I'm just looking for something to add that extra roar. I heard of some kind of valve that can be installed but I'm not sure exactly what it's called. Any suggestions?
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      03-10-2010, 08:06 PM   #2
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That valve is on the 335i..not the M3... that's all I know. Not sure how the stock exhaust can be made louder...
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      03-10-2010, 08:09 PM   #3
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get the fabspeed x pipe + HFC it makes good sound + doesn't pop up the engine chek light on So far
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      03-10-2010, 08:09 PM   #4
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Quote:
Originally Posted by bame_E92 View Post
Does anyone know the best way to up the noise on the 2009 E92 OEM exhaust? I want to keep the stock exhaust so I'm just looking for something to add that extra roar. I heard of some kind of valve that can be installed but I'm not sure exactly what it's called. Any suggestions?
There's the Golf tee mod for the 335i which keeps the exhaust flap open at all times. Not sure about the m3 though...


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      03-10-2010, 08:14 PM   #5
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There's the Golf tee mod for the 335i which keeps the exhaust flap open at all times. Not sure about the m3 though...


T
M3 doesn't have the valve...
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      03-10-2010, 08:19 PM   #6
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get the fabspeed x pipe + HFC it makes good sound + doesn't pop up the engine chek light on So far
yes it does give a CEL
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      03-10-2010, 08:24 PM   #7
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X-pipe
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      03-10-2010, 09:06 PM   #8
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I think he is talking about the guy that put a blast gate in his muffler and took the insulation out.

You could change out the air filter to an aftermarket one and that will make it breath a little better. I don't know how many miles you have but mine seems a bit louder lately. I am at 8500 and it just warmed up here in New England. It is nice to be able to have the window down and hear the engine rev when I hit the gas.

I am seriously itching to put a Vanguard Ti on very soon.
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      03-10-2010, 09:22 PM   #9
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http://www.m3post.com/forums/showthread.php?t=253661

Quote:
Originally Posted by bame_E92 View Post
Does anyone know the best way to up the noise on the 2009 E92 OEM exhaust? I want to keep the stock exhaust so I'm just looking for something to add that extra roar. I heard of some kind of valve that can be installed but I'm not sure exactly what it's called. Any suggestions?
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      03-10-2010, 09:23 PM   #10
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Quote:
Originally Posted by bame_E92 View Post
Does anyone know the best way to up the noise on the 2009 E92 OEM exhaust? I want to keep the stock exhaust so I'm just looking for something to add that extra roar. I heard of some kind of valve that can be installed but I'm not sure exactly what it's called. Any suggestions?
It's called an exhaust cut out valve...

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      03-10-2010, 09:29 PM   #11
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I'm partial to this one...

http://www.m3post.com/forums/showthread.php?t=352503

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      03-11-2010, 01:51 AM   #12
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yes it does give a CEL
Agree I got a cel also.
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      03-11-2010, 10:02 AM   #13
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Agree I got a cel also.
Tune will sort that. Any HFC or Cat delete will throw a CEL
Fab speed uses 200 cel HFC that would prolong the CEL more than say Akrapovic which has 100 cel HFCs
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