G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

Should I Tune Or Not

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Old Dec 30, 2015 | 03:32 PM
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Shea03G's Avatar
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Should I Tune Or Not

Hi to all the G owners!!!! I have a 2003 G35 Coupe Auto. The only mods are a Z1 Motorsport Intake and Plenum. I'm planning to get a Osiris Engine Management Tune but was just curious to see if it's worth getting, since I love the sound of the stock exhaust and have no plans to change it. The only thing that I would change concerning the exhaust would be to get high flow cats. So my question is, is the the Tune worth it without me changing the exhaust and should I get the high flow cats before the Tune. Thanks.
 
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Old Dec 30, 2015 | 03:50 PM
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yes but tune after adding the HFC
 
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Old Dec 31, 2015 | 10:19 AM
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Originally Posted by Hogbone
yes but tune after adding the HFC
This, this, and this.

You're literally throwing money out the window if you tune before the HFC.
 
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Old Dec 31, 2015 | 11:28 AM
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A tune is NOT gonna change the sound of your exhaust. However, here's what you'll sound like with HFC and stock exhaust. Good call, cowboy.

 
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Old Jan 4, 2016 | 08:16 AM
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Originally Posted by Shea03G
Hi to all the G owners!!!! I have a 2003 G35 Coupe Auto. The only mods are a Z1 Motorsport Intake and Plenum. I'm planning to get a Osiris Engine Management Tune but was just curious to see if it's worth getting, since I love the sound of the stock exhaust and have no plans to change it. The only thing that I would change concerning the exhaust would be to get high flow cats. So my question is, is the the Tune worth it without me changing the exhaust and should I get the high flow cats before the Tune. Thanks.
Does the plenum have any advantage over spacers?
 
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Old Jan 4, 2016 | 08:31 AM
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Not sure what you're asking as far as advantages...?
 
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