TwinTurbo.NET: Nissan 300ZX forum - High flow cat vs resonated?
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Subject High flow cat vs resonated?
     
Posted by JayT (Tampa,FL) on January 28, 2011 at 8:40 PM
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Message I didn't expect to be upgrading my full exhaust, but I feel obligated to since I have upgraded to new turbos and I want them to breathe properly. So right now im in a pickle.

Currently, I have SZ 3" DP and Stainless Steel 3-2.5" Resonated Test Pipes with a stock cat-back. I plan to buy Large H-Pipe resonators and SZ Oval Tip Back half.

However, I am spoiled with the quietness of my car and am pretty adamant about keeping it that way. I have looked for a genie exhaust but can't find one. Besides, I prefer SZ Oval tip as its design/looks is far superior, and I don't really want something used.

So my question is, is the noise level change going to be fairly noticeable between the two? Reason I ask is because I am probably going to lose 50-150$ on the resonated test pipes I have now and spend an extra 100$ on High flow cats. What kind of horsepower will be lost if swapped? Now that I think of it, I care more about quietness than horsepower. I really dont know why I got the test pipes without cats... i guess i still think that way of a racer when i dont race anymore heh.

(While I think about it, If anyone is interested in my test pipes especially locally in Tampa, email me @ jayt1806@live.com. Only 750miles on them)

     
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