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      10-08-2008, 02:34 PM   #2
b16r1ch
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Drives: E92 M3 AW/AS
Join Date: May 2008
Location: DFW

Posts: 84
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Not right away, and not for everything...removing any cats from the system will raise question with the service advisor/manager. So if you have any CELs related - or can be attirbuted to the mod - then you run a higher likely hood of being denied warranty service.

Really, if you are looking for performance - you'll need to have all cats removed a tune done. Do that, kiss goodbye to the warranty on the power and drivetrain. If you just want looks/sound, just get an 'axle back' kit...

-Rich
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