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      08-26-2013, 10:59 PM   #4
E90M3-SG
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Drives: 2016 M5 CP
Join Date: Dec 2010
Location: NJ

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2010 BMW M3  [10.00]
Quote:
Originally Posted by bishop4142 View Post
I'm planning to do the exhaust mod, swapping the perforated pipes for solid. any thoughts if this could cause a problem with the warranty other then the actual modified part?
They won't know. The welded cut outs will be at the top of the can making it non-visible when your car is on the lift. Either way, dealer won't care. I've had mine for almost 2 years now.
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