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stock exhaust specs???

Old Feb 24, 2009 | 01:12 AM
  #1  
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stock exhaust specs???

Ok so I have been searching and searching but I haven't been able to get a straight answer on the exact specs of the stock g37 exhaust.

Stock Headers ID?

Stock Cats:
ID of inlet?
ID of outlet?

Y pipe:
ID of inlet?
ID of outlet?

Mid pipe:
ID of inlet?
ID of outlet?

Muffler:
ID of inlet?
ID of outlet?

Fill in what you know. Let's get this info up here once and for all!
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Old Feb 24, 2009 | 01:20 AM
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From: With your mom
man I I was home I could gett this for you in 2 mins flat as the stock exhaust is sitting in my garage.
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Old Feb 25, 2009 | 12:25 PM
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Come on! someones gotta know this! We already have true duals and no one cares about them and just blindly buy $1k+ exhausts!!!
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Old Feb 25, 2009 | 07:38 PM
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Let me take a shot at it...

Originally Posted by jvelos3
Ok so I have been searching and searching but I haven't been able to get a straight answer on the exact specs of the stock g37 exhaust.

Stock Headers ID?

Stock Cats:
ID of inlet?
ID of outlet?

Y pipe:
ID of inlet - 1.75"
ID of outlet - 2.25"

Mid pipe:
ID of inlet?
ID of outlet - 2.25"

Muffler:
ID of inlet? - 2.25"
ID of outlet?

Fill in what you know. Let's get this info up here once and for all!
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Old Mar 1, 2009 | 12:17 AM
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can anyone else contribute? seems kinda weird that we shell out $1k+ on an exhaust and we dont even know what we have stock...
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Old Mar 5, 2009 | 02:37 PM
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anyone with their stock exhaust in the garage and give a quick measure? Cant seem to find this info anywhere.
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