TwinTurbo.NET: Nissan 300ZX forum - Generally the smaller diameter, the quieter it will be.
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Subject Generally the smaller diameter, the quieter it will be.
     
Posted by Summeronthechain (MN) on June 10, 2009 at 9:38 PM
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In Reply To Aftermarket downpipes - Sound posted by Kero on June 10, 2009 at 09:25 PM
     
Message My guess is that all DP will produce an identical sound, and your best bet for a quiet exhaust would be having aftermarket dp and stock cats and mufflers.

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