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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > exhaust pipe diameter



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      09-15-2011, 08:53 AM   #1
Rick4345
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Arrow exhaust pipe diameter

I want to install a performance exhaust on my ride. Does anyone know what the diameter of the pipe is. I want to use band clamps to secure the pipes together. Thanks in advance for any help.
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      09-15-2011, 02:19 PM   #2
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Which exhaust? the BMW PE come's with clamps from the factory
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      09-15-2011, 05:36 PM   #3
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exhaust

What I need is the outer pipe dimension from the factory exhaust, ie 2.5 or whatever it may be. I know the PE comes with clamps. I think they are just the normal U bolt clamp. I have used the band clamps before on other exhaust systems. They're stainless and make a great seal.
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      09-15-2011, 05:37 PM   #4
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2006 BMW 330i  [8.30]
2.5 i think
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      09-15-2011, 05:46 PM   #5
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Quote:
Originally Posted by Rick4345 View Post
What I need is the outer pipe dimension from the factory exhaust, ie 2.5 or whatever it may be. I know the PE comes with clamps. I think they are just the normal U bolt clamp. I have used the band clamps before on other exhaust systems. They're stainless and make a great seal.
OD is 2.5", Im pretty sure the BMW PE comes with the "sleeve" type clamps

I could be wrong though
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      09-15-2011, 05:52 PM   #6
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2006 BMW 330i  [8.30]
i made my own sleeve and clearly it SUCKS since i ripped it off today
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      09-16-2011, 06:09 PM   #7
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Thanks!!

Thanks for the help!!
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