W212 AMG Discuss the W212 AMG's such as the E63

Resonator Delete -- Tube Size Question

Old Aug 13, 2016 | 01:47 PM
  #1  
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2014 E63 S
Resonator Delete -- Tube Size Question

I'm considering doing the resonator delete and have been reading the various threads on the same. However, I have not been able to ascertain definitively the outer diameter tube size required for the delete. Some threads suggest that the exhaust system has a 2.75" outer diameter at the resonator, however, others seem to suggest that it is 3".

Does anyone know for sure? As this will be a DIY project, I'd prefer not to have to throw the car up on the lift simply to measure tube diameter.

Thanks in advance.
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Old Aug 14, 2016 | 01:10 AM
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Why DIY? Local muffler shop did mine (straight pipes) for $180 and it took an hour.
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Old Aug 14, 2016 | 03:52 PM
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I had an X pipe installed and it was 3" pipe
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Old Aug 14, 2016 | 03:53 PM
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Mine cost 120 for x pipe installed in place of resonator
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Old Aug 14, 2016 | 08:57 PM
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Straight pipes, same as above $180 in an hour and it is definitely 2.75" in diameter, not 3".
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Old Aug 14, 2016 | 09:21 PM
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Oops, that's what my exhaust guy told me. Maybe he was wrong
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Old Aug 15, 2016 | 06:28 AM
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stock is 70mm which is equal to 2.75" but it's not common so you go a bit bigger with 3"

Straight pipe if you have an M157, X pipe if M156
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Old Aug 15, 2016 | 01:16 PM
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Thanks everyone. Looks like 2.75" it is.
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