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05-26-2010, 06:38 PM | #1 |
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Exhaust Modification (inspired by Periokid/Subw00er)
I got exactly what I was looking for, a slightly louder and more aggressive tone with absolutely no drone. I can't even tell the exhaust is modified when on the highway. The first part of the video is stock. Then, around 1:25, the car goes up on the lift and the modded muffler is installed. Thanks to Todd at Exhaust Works in Belmont for the welding work and the install and M3post member armorrig for the stock exhaust! Link to mod description: http://www.m3post.com/forums/showthread.php?t=320052 Last edited by smmmurf; 09-05-2011 at 02:53 PM.. |
05-26-2010, 10:48 PM | #3 |
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r!cer boi.... lulz
sounds good dude.
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05-26-2010, 11:12 PM | #4 | |
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05-26-2010, 11:17 PM | #5 |
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From what I can hear, it is slightly louder. Are you satisfied with the result of your project? This is definitely a good way to become a little bit more aggressive than stock without spending thousands just for the sound.
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05-27-2010, 02:23 AM | #7 |
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Definitely satisfied. It is actually significantly louder. However, it isn't louder to the point where anybody suspects its modified. It also doesn't drone at all, which is awesome!
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05-27-2010, 02:28 AM | #8 |
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Good that you like it man. I know it's hard to tell from the video how it really sounds. Heck, I can't even tell how my exhaust sounds from inside the car.
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05-27-2010, 02:32 AM | #9 |
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The only drawback is that the stock exhaust is pretty heavy at ~50 pounds. I might do a catted and resonated x-pipe in the future, but the sound level is pretty perfect as it is.
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05-27-2010, 05:02 AM | #10 |
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I heard a catted w/ additional resonatored xpipe on stock exhaust and that thing was on the LOUD side. Though I only heard it being revved while parked. I'm pretty sure it was equally as loud being driven.
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05-27-2010, 07:01 PM | #11 |
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[QUOTE=armorrig;7391072]I heard a catted w/ additional resonatored xpipe on stock exhaust and that thing was on the LOUD side. Though I only heard it being revved while parked. I'm pretty sure it was equally as loud being driven.[/QUOTE
My current setup is just that, OEM exhaust mod and I gutted the secondary cats on the OEM x-pipe... it is loud. I definately get some looks from people on the streets now. I am cooking up a video very soon. |
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05-28-2010, 12:14 AM | #13 |
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damn i have to put a write up on mine soon i just have been so lazy to do it... this is probably the best and the cheapest mod to do in an m3....
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05-28-2010, 02:47 AM | #14 |
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Sounds so much better! Should've come from the factory sounding like this.
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06-03-2010, 01:27 PM | #16 |
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So you've replaced the perf pipes with straight pipes? Did they need to cut open both sides in order to weld in the pipes, or was the top opening sufficient?
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06-03-2010, 02:25 PM | #17 | |
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I did go to a very experienced muffler shop (25+ years). The owner was very comfortable welding in blind/tight spaces. |
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06-03-2010, 03:36 PM | #18 | |
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sounds just like mine... the only thing I did different was I sealed up every hold on both sides...
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06-03-2010, 08:36 PM | #19 |
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07-06-2010, 02:43 AM | #21 |
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07-06-2010, 07:39 AM | #22 |
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Very nice results.
So to clarify the modification did you: 1) Replace the completely perforated pipe with a solid pipe (welded in) 2) Leave the partially perforated pipe alone 3) Put the glass fiber insulation back in Sounds great, not too loud but with a nice sound. |
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