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Tee-Dub · 11-22-2012, 12:14 PM

No love for Maddad exhausts?

I've read that the factory 135i exhaust is very restrictive compared to the 335. Is this just regarding the downpipes, or mid pipes or the whole thing?

11-22-2012, 12:14 PM	#14
Tee-Dub Captain 35 Rep 753 Posts Drives: 2008 135i Join Date: May 2009 Location: Vancouver, WA iTrader: (9)	No love for Maddad exhausts? I've read that the factory 135i exhaust is very restrictive compared to the 335. Is this just regarding the downpipes, or mid pipes or the whole thing?
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