TwinTurbo.NET: Nissan 300ZX forum - I had X-pipe with resonators in 2.5". Was decent. H-pipe
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Subject I had X-pipe with resonators in 2.5". Was decent. H-pipe
     
Posted by MixManMash on May 17, 2014 at 7:13 PM
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In Reply To SZ Mid Sections/Resonators? posted by 300TakeTwo on May 17, 2014 at 05:55 PM
     
Message would likely be quieter. There was a bit of rasp/resonance at the 2000-2600 RPM range under load. This setup also had 2.5" DPs and TPs.

With 3" DPs and 3->2.5" TPs, the 2.5" cat back (resonated X-Pipe and dual tip back halves), the rasp /resonance under load at the same RPM was downright terrible for me. I changes to a full 3" with large resonators in the 3" TPs and it is way better. System sounds way deeper.

     
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