Thread: Exhaust Drone
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      09-18-2012, 08:09 PM   #23
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Drives: Interlagos Z4MR
Join Date: Jun 2008
Location: Delray Beach, FL

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Quote:
Originally Posted by davesz4mc View Post
It is 3" in and out with an "intergrated" resonater so it is all one unit. It is center mounted just after the headers. Headers into one 3" through muffler split back out, out the back.
single 3" in and single 3" out? thats strange, considering its 2 in and 2 out on the oem cats.
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