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      02-04-2013, 08:09 AM   #22
MikeR1994
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Drives: 06 e90 325i, 05 325Ci (RIP)
Join Date: Sep 2011
Location: Charlotte, NC

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2006 BMW 325i  [0.00]
Quote:
Originally Posted by JDane07 View Post
So will the stock headers be able to be swapped in if needed?
As the headers come, the shop will most likely cut the flanges off and weld the adapters to them, or possibly clamp the adapter at both ends. If you want to have the ability to go completely back to stock, the adapters will need to be shortened and the midpipe side of them will have to have a 2.25" flange welded to it so it can be bolted to the flanges on the midpipes themselves. The header side will just need to be clamped with 2.5" clamps if this is done. You could weld the adapters to the headers so that they are a true bolt on, but I wouldn't do that unless you really don't like the idea of clamps.

Are you installing a BMS DPFIX along with the headers to keep from throwing a tuner code and getting a CEL?
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