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      04-11-2022, 08:13 PM   #24
Joe-BMW33
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Drives: '18 M550i|'21 X5|'03 540i
Join Date: Apr 2021
Location: Boston

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2013 VW Tiguan  [0.00]
2015 Infiniti QX60  [0.00]
2021 BMW X5  [0.00]
2003 BMW 540i  [0.00]
2018 BMW M550  [10.00]
Quote:
Originally Posted by jay79 View Post
Quote:
Originally Posted by Joe-BMW33 View Post
No, a X-pipe will not throw a CEL nor will an axle back. Down pipe modifications throw CEL's, especially CAT-less.
Cant wait for the catless dps to get in, then stage 2 and Im done. From what Ive read is that the oem tips are spot welded on. Dont see why a muffler shop couldnt remove them and put on whatever tips you want as long as they fit the diffuser.
Boy I've come full circle in a year since my original comments and questions in this thread. I have a full Dinan system due to be installed hopefully next week. Mid pipe, axle back and valve remote.

I really wanted those double round tips. I think it pretty difficult to cut the tips off the stock exhaust and spot weld new ones in. I've only seen one person do it and they stuck out too far IMO.

My diffuser will fit the Dinan tips. I made sure of that before choosing it.

After this is done, I'm sure I'll want to know more about down pipes. You can take me to school.
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2018 M550ix|Carbon Black|Dinan Modifications|2003 540i|Jet Black|M-Sport|2021 X5 Mineral White
Prior BMW's: 1987 325e|1993 740i|1998 740il|2001 530i|2002 745li|2007 750li|2006 750li|2001 530i|2012 535xi|
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