G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

Why does my exhaust not sound as loud as before.

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Old 10-07-2018, 10:47 PM
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Question Why does my exhaust not sound as loud as before.

I have a g35 coupe 07 with motordyne art pipes and exhaust. I feel as if my exhaust is not as long anymore. I don't think it's because I got use to it before it really doesn't sound as loud as it should be with ART pipes. Do I need a tune or is there something on my exhaust I need to check?
 
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Old 10-07-2018, 11:12 PM
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Could be carbon build up, IIRC most exhausts tend to quiet down with age as carbon builds up in areas (although ones with resonators/packed mufflers can get louder due to the materials breaking down).
 
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Old 10-08-2018, 12:43 AM
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I only had the exhaust for about a month so would carbon build up so quick. Also, how can I get rid of it.
 
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Old 10-08-2018, 01:13 AM
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Not sure if there is a way to clean out carbon aside from taking it off and scrubbing it. It's inevitable anyway, combustion always makes carbon and it'll always stick on pipes. Seems more likely that you've gotten used to it, although check to make sure you don't have a leak around the headers or something that is making it quieter downstream. Also check if your air filter is clean, that might be messing with stuff.

Aside from that, I dunno what it could be with ART pipes, with HFC you can get the catalytic honeycomb breaking down and changing exhaust tone, but that obviously doesn't apply with ART pipes.
 
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Old 10-08-2018, 07:35 AM
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You're going deaf from having an exhaust that's too loud....
 
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Old 10-08-2018, 12:16 PM
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Originally Posted by G2B35AGN View Post
You're going deaf from having an exhaust that's too loud....
Lol I donít think thats it, even when I first got it... it was very loud but not the loudest exhaust ever, now its even quieter. when I first got it I enjoyed the sound much more.
 
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Old 10-08-2018, 12:29 PM
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How long have you had it?
 
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Old 10-08-2018, 01:37 PM
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Originally Posted by [email protected] View Post
How long have you had it?
About a month or close to two months
 
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Old 10-08-2018, 07:33 PM
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That is likely just the exhaust settled in, they all change tone slightly after the initial break-in. Usually they sound less raspy/shitty once they're broken in.
 
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Old 10-09-2018, 10:58 AM
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^ unfortunately mine rasps from 1900-2300 RPM after breaking in so I am gonna look for HFC's.
 
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Old 10-09-2018, 11:13 AM
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Originally Posted by Urbanengineer View Post
^ unfortunately mine rasps from 1900-2300 RPM after breaking in so I am gonna look for HFC's.
You have ART pipes or stock cats?
 
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Old 10-09-2018, 04:18 PM
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Art. V3
 
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