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Old Nov 24, 2008 | 12:14 PM
  #1  
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Default NISMO res. delete

Has anybody deleted the res. from a NISMO exhaust?

I am wanting something a little bit louder but I don't like the idea of tp's or hfc's.

Thanks,
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Old Nov 24, 2008 | 12:48 PM
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I havn't heard of it being done but my guess is it probably wouldn't sound good.
In my experience, midpipe resonators are the most important element in sound quality.

If you try it, please post your results.
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Old Nov 24, 2008 | 01:12 PM
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Originally Posted by Hydrazine
I havn't heard of it being done but my guess is it probably wouldn't sound good.
In my experience, midpipe resonators are the most important element in sound quality.

If you try it, please post your results.
I don't think the sound would be too different from having tp's or hfc's. I don't expect it to be as loud, but it should be a little different.

I think that I am going to try this tomorrow. I will post clips of a before and after.
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Old Nov 24, 2008 | 04:16 PM
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^^please do post results if you do it

even if it sounds bad, dont be embarassed to post your results as im curious
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Old Nov 24, 2008 | 05:30 PM
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They put the resonator there for a reason..

90% chance it will sound like sheet..
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Old Nov 24, 2008 | 06:04 PM
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I figured somebody had to be the test mule for this. I searched and wasn't able to find anything.

I was able to get this done this afternoon and I have mixed feelings towards it. When the car is cold there is quite a bit of noticable rasp. To me it sounds like the top speed exhaust but I have to let somebody drive my car so that I can hear it outside. I will try to get a clip up sometime tomorrow.
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Old Nov 24, 2008 | 06:08 PM
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On exhausts that have mid-mufflers (resonators), usually they are placed strategically to combat unwanted exhaust notes. We don't really know how far Nismo, or whoever they contracted out to, went to decide on the location of the resonator. They may have just took notice of the stock resonator location, and blueprinted off that. In either case, on the OEM exhaust, the resonator is pretty significant in the exhaust note. I removed mine and there was instant rasp above about 50% throttle. I eventually took a smaller resonator laying around from an E46 M3, and put it in the stock location, and the rasp went away.

The location of that resonator is pretty critical to acoustics on the OEM exhaust. I'd imagine it would be fairly similar to exhausts that follow the OEM model.

TK
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Old Nov 24, 2008 | 08:38 PM
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ive heard it without a resi

and omg it is LOUD!
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Old Nov 24, 2008 | 08:42 PM
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vid?
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Old Nov 24, 2008 | 08:42 PM
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Try it, and let us know.
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Old Nov 24, 2008 | 09:46 PM
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he already did. just waiting for clips now
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Old Nov 25, 2008 | 04:54 AM
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I should have a video this afternoon, I get off work around noon and I will be able to mess with it then. It is really LOUD. Once the car warms up most of the rasp goes away. I will be looking into a small res. to put in.
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Old Nov 25, 2008 | 05:00 AM
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cool. Looking forward to this
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Old Nov 25, 2008 | 05:42 AM
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I wouldn't do it if I were you. I know you don't want to but I think you should go the test pipe/high flow cat route. This way if you don't like it you can always bolt your stock cats back up and sell the tp/hfc....albeit at a small loss.

I can tell you that test pipes with the Nismo is pretty loud IMO and drones badly.
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Old Nov 25, 2008 | 06:39 AM
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^ Did you not read at all? He already did it....
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Old Nov 25, 2008 | 04:05 PM
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LOL reading FTW
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Old Nov 25, 2008 | 05:26 PM
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oooops....I tried to save him, I guess I was too late.
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Old Dec 4, 2008 | 03:28 PM
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what ever happend to the vids?
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