F55/F56 :: Hatch Talk (2014+) MINI Cooper and Cooper S (F55/F56) hatchback discussions.

F55/F56 NEW NM Engineering exhaust

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Old Feb 22, 2022 | 03:29 PM
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NEW NM Engineering exhaust

Did anyone else see this?

NM has a new style exhaust, no muffler per se in the rear, only a Helmholtz resonator.
For those not familiar with the concept, its size is tuned to cancel out a certain frequencies.
Still has a straight through front resonator for cabin comfort.

Pretty sweet. Technically a straight through exhaust
https://nm-eng.com/collections/mini-...ystem-nm308846




.
 
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Old Feb 23, 2022 | 12:25 AM
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Only for US-models?
What about European Mini's will this exhaust fit from the Cat?
 
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Old Feb 23, 2022 | 03:57 AM
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Those exhaust are pretty cool. Goodwin Racing has had versions available for the Miata for a few years. Manga flow has started experimenting with them, too. The advantage to the Helmholtz chamber is zero drone when cruising on the highway, if they are tuned properly. These types of exhaust will give you bark when you want it, and quiet when you want it, without resorting to a valved system, which adds complexity and a failure point.

Personally, I like these types of mechanical solutions, because they keep it simple. Just like a mechanical ‘torsen’ style LSD can be better than a clutch style when it comes to maintenance and simplicity.
 
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Old Feb 23, 2022 | 08:17 AM
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Originally Posted by galaxy_one
Only for US-models?
What about European Mini's will this exhaust fit from the Cat?
US MINIs have olive connectors to the Cat Converter. EU MINIs are slip fit.

Im sure NM will have a solution if you call them about it.
 
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Old Feb 24, 2022 | 05:14 AM
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my magnaflow, if I didn't have Sirius I couldn't think ! it drones
 
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Old Feb 24, 2022 | 07:28 AM
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Originally Posted by Stu-mon
my magnaflow, if I didn't have Sirius I couldn't think ! it drones
Hair Nation?
 
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Old Feb 25, 2022 | 05:47 AM
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B.B. King's Bluesville Radio !
 
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Old Feb 25, 2022 | 02:26 PM
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Super Sprint is my preferred muffler. https://www.supersprint.com/ww-en/mi...-valve.aspx#!/





 
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Old Feb 25, 2022 | 03:07 PM
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Originally Posted by michaelo
Super Sprint is my preferred muffler. https://www.supersprint.com/ww-en/mi...-valve.aspx#!/

The point of my post was NM is NOT using a muffler, they are using a Helmholtz resonator.

You linked to a bypass system, not the same concept.
 
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Old Feb 25, 2022 | 04:19 PM
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Nothing wrong with presenting options.
 
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Old Feb 26, 2022 | 05:28 AM
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Originally Posted by TVPostSound
The point of my post was NM is NOT using a muffler, they are using a Helmholtz resonator.

You linked to a bypass system, not the same concept.
Exactly! I much prefer the simplicity of the Helmholz design, since there is no actuator to connect and/or fail.
 
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Old Mar 1, 2022 | 06:42 PM
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I love NM, i just wish the tips had more of an angled look like the previous model

https://nm-eng.com/collections/mini-...ystem-nm308856



 
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