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G37 Sedan

Break-in period after installing new cat-back?

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Old 06-23-2014, 11:42 PM
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604
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Break-in period after installing new cat-back?
Just had a new cbe installed.

Is it just me(perhaps I'm going crazy haha) or is there a break-in period?

Seems like every day I drive it sounds/performs a little better?
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Old 06-23-2014, 11:53 PM
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Sunny G
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It usually a couple hundred miles. The tone mellows out depending on the exhaust
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Old 06-24-2014, 07:09 AM
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Lego_Maniac
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I think there is a little bit of a break in period. I just turned 1000 miles with the Invidia Q300 and it's gotten noticeably louder.
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Old 06-24-2014, 08:18 AM
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ANMVQ
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Like the guys have said there is a few hundred miles and also the ECU will relearn a but also for the added airflow
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