TwinTurbo.NET: Nissan 300ZX forum - Stillen measured 11 dB quieter than 2.5" B & B.
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Subject Stillen measured 11 dB quieter than 2.5" B & B.
     
Posted by Got Z? on July 30, 2004 at 11:08 PM
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In Reply To B&B vs Stillen exhaust posted by BlackTTZ on July 30, 2004 at 10:21 PM
     
Message Stillen (w/ cats) was 85 dB-A at 18", 45 deg (SAE spec)

B & B (2.5", test pipes) was 96 dB-A

LaBree w/ high-flow cats and resonators: 89 dB-A

LaBree w/ high-flow cats, no resonators was: 93 dB-A

FWIW, I replaced my 3" B & B with a LaBree because I couldn't tolerate the 2,000 - 3,000 resonance on long freeway drives.

     
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