Intake & Exhaust Questions and info regarding various aftermatket exhaust systems for the G35 (Headers,Y-Pipes, and Cat-Back Systems)

Test pipes

Old Mar 14, 2014 | 12:22 PM
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Test pipes

Any disadvantage to installing test pipes on a 04 Sedan AWD? Car is my daily driver, I want to free up the exhaust flow for better performance.

Thanks
 
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Old Mar 14, 2014 | 01:23 PM
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You're removing the cats so it will be louder and smell a bit more, plus you'll throw codes and won't run proper without a tune
 
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Old Mar 14, 2014 | 02:05 PM
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Even on Motordyne...?
 
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Old Mar 14, 2014 | 02:30 PM
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Nope^

...Most of the time
 
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Old Mar 15, 2014 | 01:14 AM
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Might not throw a code but it won't run as good as it could
 
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Old Mar 15, 2014 | 11:36 AM
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So, what needs to be done to make the car run well?? and after that is there any performance gains?
 
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Old Mar 15, 2014 | 11:54 AM
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What's the advantage of test pipes then?
 
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Old Mar 15, 2014 | 12:39 PM
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Originally Posted by mags
So, what needs to be done to make the car run well?? and after that is there any performance gains?
You need a tune to teach the ECU how to run the car properly.

https://g35driver.com/forums/tuner-d...heets-ftw.html
 
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Old Mar 15, 2014 | 11:59 PM
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OK, so after a tune, is the work and money worth it in results?
 
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Old Mar 16, 2014 | 12:09 AM
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Depends what you consider worth it
 
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