BMW M3 Forum (E90 E92) - View Single Post - .: ACM Test Pipes :. INTRO price! Pair with ESS Tune!

momo3605 · 02-07-2013, 02:37 PM

So I have a question, what part of the exhaust do the test pipes replace? Can you still run it with any full exhaust? Or can you run it with the stock exhaust without the ACM mod...the noise is too raspy

02-07-2013, 02:37 PM	#66
momo3605 Major 209 Rep 1,201 Posts Drives: M340i LCI, 718 GTS 4.0 Join Date: Aug 2012 Location: Norcal iTrader: (2)	So I have a question, what part of the exhaust do the test pipes replace? Can you still run it with any full exhaust? Or can you run it with the stock exhaust without the ACM mod...the noise is too raspy
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