TwinTurbo.NET: Nissan 300ZX forum - So, need help shopping for a cat-back please.
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Subject So, need help shopping for a cat-back please.
     
Posted by JayT (Tampa,FL) on January 25, 2011 at 11:21 PM
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Message This is going to be down the road... I'd say April or May since I just did a big upgrade (530bb Turbos). However, I did upgrade to SZ 3" DP & 3-2.5" TP (Resonated) while in that area, but I still have a stock cat-back, so I'm a little scared to up the boost from 9 psi fearing that there will be to much back pressure.

First, I'm going through Specialty Z like always, but the question is, do I get the dual tip or the oval tip? Oval tip is quieter, but the dual tip keeps the classic look of the car, and will keep the stock look I want to keep for my car. Additionally, my car is white, and I just don't see how oval tips would look good on a white car.

Does anyone have pics of their white Z with an oval tip? I have a direction of keeping my car silent but deadly, but to the contrary the oval tip will give it away. Currently, the car is still quiet and sounds stock despite the upgrade . With that said, I want to try my best to keep it that way.

I was hoping that you guys could provide me with some dB statistics or some recordings of your Z if you have this set up: SZ 3" DP, 3-2.5" Resonated Test pipes, and what I plan to do is SZ 2.5" large resonated H-Pipe with either Oval or Dual Tip.

How much dB will be added to my current set up if I add Oval or Dual tip cat-back? What is the dB difference between Oval and Dual Tip? What is the dB difference between an X-Pipe resonated and a H-Pipe Large Resonated? For a street car, how much hp will the H-Pipe take away compared to X-Pipe?

Help will be greatly appreciated =)

- Josh

     
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