Nissan 370Z Forum - stock exhaust diameter

Nissan 370Z Forum (http://www.the370z.com/)

- Intake/Exhaust (http://www.the370z.com/intake-exhaust/)

- - stock exhaust diameter (http://www.the370z.com/intake-exhaust/10871-stock-exhaust-diameter.html)

SuperXero

11-03-2009 11:04 PM

stock exhaust diameter

can someone tell me what the stock exhaust diameter is?

SuperXero

11-25-2009 01:18 AM

wow seriously no one knows?

370Zsteve

11-25-2009 08:12 AM

Why do you want to know? What knowledge will you gain from the diameter? Where do you want folks to measure? Are you OK with the fact that different areas of the exhaust will have different diameters? Do you know that if you increase the diameter on the exhaust, you will lose power?

SuperXero

11-25-2009 10:53 AM

on one side not at the y-pipe section. and you only lose power when the piping is too large unless all these aftermarket exhaust systems are meant to lose power and and just gain noise. :gtfo2:

corbin09

11-25-2009 11:42 AM

2.25"

Zsteve

11-25-2009 02:57 PM

Quote:

Originally Posted by SuperXero (Post 295403)

on one side not at the y-pipe section. and you only lose power when the piping is too large unless all these aftermarket exhaust systems are meant to lose power and and just gain noise. :gtfo2:

well if you know all that then why dont you know the rest? Coming in here with that attitude will just get your posted flamed and no good info from it.:nutswinger:

TongMan

10-30-2010 05:18 PM

I want to know this as well. Can someone confirm 2.25"?

Abdiel

10-31-2010 05:00 PM

Non-Nismo should be the same as G37 I believe:

Exhaust diameter question re: Berk HFC to OEM mid pipe - MyG37

ninous26

10-31-2010 07:45 PM

Its definitely 2.25 I don't even have a 370z and I know this.. I did a project with a 370z full exhaust a while back.

Increasing piping size definitely does not lose power.

Nismo is the same I believe but has a different flow in the muffler section and is true dual at the y pipe area.

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