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Old 03-27-2012, 08:29 AM   #2
Registered User
Join Date: Jun 2008
Location: Chicago
Posts: 161
My Ride: 04 M3 / 08 M3
looks nice but why catted? doesn't that kind of defeat the purpose of swapping headers? I mean I know you get a little better airflow but isn't the cat still restrictive even if they claim it to be "high flow"?
2008 E90 ///M3

Gone but not forgotten 2004 E46 ///M3 - AA Supercharged

3 pedals
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