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03-25-2012, 04:37 PM | #1 |
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OEM muffler mod
Hi guys, I read a lot on the subject but still confused
I bought a used oem muffler on eBay and will my mechanic will do the mod but I would really need to understand how it works...so there are 4 perforated pipes inside, and the more pipes you replace by solid ones, the louder it gets? Are there any vids of this modification? Any input and link very appreciated... |
03-25-2012, 04:53 PM | #2 |
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Drives: 2011 E90 M3 6MT
Join Date: Mar 2011
Location: Middletown, MD
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04-08-2012, 03:08 PM | #4 |
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Still confused...I found this video and I like how the second car sounds, but hate the sound of the third one...sounds like a tractor at idle...
I have an spare exhaust on the way but I'm still unsure which mod is the right one...I would like it to sound almost normal at idle and a bit beefed up at higher rpm's...so to get the result like on the second car in de vid, I just need to replace the 2 perforated tubes inside, right? Thanks |
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04-08-2012, 07:57 PM | #5 | |
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04-09-2012, 05:08 PM | #6 | |
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BMC filter, OEM Exh Mod, ESS Direct Flash tune, flat black kidney grills, color painted front reflectors, LUX Angel eyes, -2012 SVT Raptor 4 dr -09 E90 M3
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04-09-2012, 05:52 PM | #7 | |
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04-11-2012, 03:28 PM | #8 |
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The 3-car comparison video was taped and edited by me as I wanted to hear the difference myself in person before deciding on which mod to do.
Ultimately, I decided to go with the Non-Perforated mod because it doesn't drone AT ALL and is nice and quiet while cruising on the highway. As soon as I hit the throttle, the exhaust comes alive and sounds amazing. For me, it's the best of both words. Quiet when I want it to be, but loud when I want it to be. The Non-Perforated mod is the equivalent of "A lady in the streets, but a freak in the sheets". LOL - KJ |
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04-12-2012, 01:14 PM | #9 |
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No. I had all four sections of perf pipe replaced. There are two sections with large holes and two sections with smaller holes. There are only two pipes but two sections on each pipe....
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BMC filter, OEM Exh Mod, ESS Direct Flash tune, flat black kidney grills, color painted front reflectors, LUX Angel eyes, -2012 SVT Raptor 4 dr -09 E90 M3
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