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      10-10-2012, 06:25 AM   #50
bdaddylo's Avatar

Drives: 2011 E90 M3 ZCP
Join Date: Dec 2010
Location: Houston, TX

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Originally Posted by 4thM3 View Post
Am I missing something. My understanding is that the DINAN exhaust is shorter than stock not longer. This should allow one to remove the OEM unit,keep their stock exhaust in tack and use a flanged extension to make the connection without cutting.. That being said, I agree that it's pretty lame not to make it a true bolt on install.
You're incorrect. The stock exhaust is a single piece beginning from the flanged connection at the rear of the mid pipe. The Dinan exhaust requires you to cut off the muffler because it does not come with a connecting pipe that is included with most aftermarket 1M exhausts.
2011 E90 M3 ZCP/AW/Ohlins R&T/Vorshlag CP/Stoptech ST-40 Trophy Street
2011 1 Series M Coupe/VO/Fully Loaded/Bloated