Time for a New Cat?
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Joined: Jul 2017
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2012 E550 Cabriolet 2011 VW Eos 1985 Pininfarina Spider
Time for a New Cat?
It looks like I may need a cat replacement on bank 1 of my m278. I have a stage 1 tune. What are my options? Catless downpipes? High performance cats?
