7000km into my new 2013 ForTwo, the flex pipe went...It has 60k on the odometer now. Overnight it became very loud, surprised that it went that quickly.   I knew there was a repair guide somewhere, but most either here on CsC or SCoA were vague. Here's what I did:   1) Flex Pipe Dynomax 41792 (rebranded Walker) from Amazon - $23.15 2) A short 1.75" extension/adaptor pipe as the flex pipe was a bit short - around $7, lost the receipt so I don't remember   I had