BMW M3 Forum (E90 E92) - View Single Post

triggz82 · 09-19-2017, 09:06 AM

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.

09-19-2017, 09:06 AM	#23
triggz82 Private 30 Rep 86 Posts Drives: E90 M3 Join Date: May 2017 Location: Toronto iTrader: (0)	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.
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