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Which of the 2 perform better...?

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Old May 27, 2011 | 04:57 PM
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Bmurray350z
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Default Which of the 2 perform better...?
My 2004 Z only has injen cai an motordyne 5/16 spacer as of now. I'm looking to purchase some HFCs or TPs very soon. Which would you get better performance out of? The test pipes or high flow cats?
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Old May 27, 2011 | 05:01 PM
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Originally Posted by Bmurray350z
My 2004 Z only has injen cai an motordyne 5/16 spacer as of now. I'm looking to purchase some HFCs or TPs very soon. Which would you get better performance out of? The test pipes or high flow cats?
I believe test pipes since they flow a tad better!!
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Old May 27, 2011 | 05:07 PM
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Originally Posted by marques1
I believe test pipes since they flow a tad better!!
Thats what I would think as well
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Old May 27, 2011 | 07:34 PM
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Test pipes will give you better exhaust volume because there is nothing inside.
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Old May 29, 2011 | 02:02 PM
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You still have a stock exhaust??
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Old May 29, 2011 | 03:55 PM
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Test pipes perform better but give a CEL iirc. HFC are better than stock and dont give CEL but not as good as test pipes.
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Old May 30, 2011 | 06:34 AM
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Originally Posted by SDmattZ
You still have a stock exhaust??
yes still have stock exhaust.. -.-
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