TwinTurbo.NET: Nissan 300ZX forum - Specialty Z on NA = looks great, but kinda loud...
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Subject Specialty Z on NA = looks great, but kinda loud...
     
Posted by zeeway on August 02, 2007 at 6:28 PM
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In Reply To Advice - Cat-Back Exhaust System posted by viper498 on August 02, 2007 at 03:29 PM
     
Message I installed Specialty Z with resonated H pipe, and quad tips. The quality is excellent, and the sound is good, but it is really too loud for my taste. I understand that TT's are quieter, since the turbos act as additional noise dampeners.

There was also a post on here a few days ago that said the quad pipes are louder in that they use the rear third of each muffler to arrange the flow to the dual tips on each side. Maybe single tips on each side are a bit quieter.

So I enjoy the vroom for the first five minutes, but after that it gets kinda old. I thought about resonated test pipes to quiet them down, but the jury is out whether removing the cats and replacing them with resonated test pipes would help the noise level.

The quietest (and maybe the cheapest) is to find a good, used OEM (yikes) system.

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__zeeway__

     
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