Factory Header Cat Delete!!!!! ( PICS INSIDE )
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12-30-2011, 09:24 AM
Drives: '06 AW 330xi
Join Date: Mar 2009
Location: North Jersey/Philly/NYC
You need to get your car on a dyno son !!
I've been contemplating deleting the headers and going back to my oem muffler. With a res delete.
I want to keep the secondaries in because I need to pass visual inspection.
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