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      09-19-2017, 10:51 AM   #24
GORDON.M3
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Drives: E92 M3 • F25 X3 M-Sport
Join Date: Dec 2013
Location: LAX/YYZ/NRT

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Quote:
Originally Posted by triggz82 View Post
Is there any advantage or substantial difference by going the test pipe route vs going to a decent exhaust shop and having them cut and weld in piping? The only apparent one I can see is the O2 bung.
None, unless you plan on getting resonated test pipes that quiets down the car upfront.
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