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      10-09-2019, 08:28 PM   #2
highrevin
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Drives: BMW 528i
Join Date: Apr 2019
Location: Albany, NY

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There is a thread here where some one has covered this step by step. Give it a search.
Essentially if you want to run two mufflers you'll need to remove the air damn in the back and remove the bucket storage in the trunk. You then need to make a plate to install in the left over hole. Depending on bumper, you will need to cut it or get a new air damper. You will need new pipe hangers to support the new muffler as well.
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