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Best headers between all the major manufacturers for 2010 C6 A6 3LT coupe… with cats, and will be installing a cat back at the same time not sure yet on that either- looking for opinions from people that have actual set-ups installed please…?
Yes I did a search not much came up - lots of header chatter no real opinions -
St. Jude Donor '11-'12-'13-'14-'15-'16-'17-'18-'19-'20-'21
All the major brand are good. I would not stress over it. There are plenty of threads on this topic and the consensus was to get the ones you get the best deal on.... Kooks, American Racing, LG, B & B, etc.