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      09-24-2012, 02:04 PM   #24
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Drives: 2009 328I
Join Date: Sep 2012
Location: Agoura Hills, CA

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Originally Posted by Johnny D View Post
Did they remove the secondary catalytic converters? 10hp/11tq delta for just a muffler is pretty sweet and it looks to be throughout the entire RPM range.
The secondary cats are still on the car. There are two mufflers that were made for the car, not some universal muffler!
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