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General E46 Forum
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Old 02-01-2008, 02:27 PM   #1
Beckham007
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Exhaust break-in period?

How long does it take, to "break in" an exhaust. Also, will the sound noticeably get louder???
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Old 02-01-2008, 02:29 PM   #2
Arrows
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For my TSE3 took a few days, it was louder during the first few days.
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Old 02-01-2008, 07:23 PM   #3
daniel_zhp
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Most people I've seen post report a short length in which the muffler gets louder. My Eisenmann took about 1k to reach a consistent pitch.
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Old 02-01-2008, 07:28 PM   #4
J LAU
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I got my IKON last week, I want to know too....
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Old 02-01-2008, 07:30 PM   #5
JJR4884
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my tse3 was supposed to take around 300 miles, however after about 1000 it sounded like it was all broken in

DROOL

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Old 02-01-2008, 07:51 PM   #6
Alex323Ci
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i'm not sure how those with chamber exhausts would get the difference in sound? ones that are packed with fiberglass and rockwool i could see. even those with perforations might get some carbon soot to fill up somewhat. but the only way i can see something like the Corsa made one to change is if the engine's ecu readjusted it's airflow. i say this not as a fact, but only how it seems odd how a chamber muffler would "break in"??
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Old 02-01-2008, 07:57 PM   #7
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Quote:
Originally Posted by Alex323Ci View Post
i'm not sure how those with chamber exhausts would get the difference in sound? ones that are packed with fiberglass and rockwool i could see. even those with perforations might get some carbon soot to fill up somewhat. but the only way i can see something like the Corsa made one to change is if the engine's ecu readjusted it's airflow. i say this not as a fact, but only how it seems odd how a chamber muffler would "break in"??
maybe heat could cause the chambers shape to change? i dunno, going way out on a limb, it really doesn't make much sense to me either...
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