Quote:
Originally Posted by IVM3
Rather than just trust them on this, I would recommend taking a picture of the bottom of the muffler. The part number is cast on the bottom and you can look it up to confirm it is still the ZCP exhaust. My concern is if the car may have had an M preformance, and the pervious owner sold it for cash plus traded exhausts, and didn't care that it was non ZCP.
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Don't think it would matter.
A few people in this thread over on m3Cutters claimed to have cut open the comp pack exhausts and found the internals to be identical to the standard
https://forums.m3cutters.co.uk/threa...andard.151630/
As for why it's a different part number at all...
Maybe just due to the exhaust tips it comes with.