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Drillslinger · 09-14-2011, 04:19 PM

Here's what I got...

The system shown is cat-back with resonators and the valve option. When the valve is closed exhaust gases go through the muffler and out the inner tips. When open, the muffler route remains open but the path of least resistance becomes straight out the drivers outer tip and across (over the muffler) to the passenger side outer tip.

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09-14-2011, 04:19 PM	#6
Drillslinger Captain Drives: BSM 1M / R53 / E91 Join Date: Jun 2007 Location: No. VA Posts: 903 iTrader: (0) Garage List 2011 BMW 1 Series M ... [5.00] 2006 MINI Cooper S [4.80] 2010 328i Wagon [4.80]	Here's what I got... The system shown is cat-back with resonators and the valve option. When the valve is closed exhaust gases go through the muffler and out the inner tips. When open, the muffler route remains open but the path of least resistance becomes straight out the drivers outer tip and across (over the muffler) to the passenger side outer tip. __________________ *Vorsprung durch Gas Geben!!* 172 of 740 Last edited by Drillslinger; 09-14-2011 at 05:01 PM.