Thread: GTA Spotted
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      06-17-2011, 08:54 PM   #51
Daemonblitz
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Drives: Z4MC/M5/640iX/M1000RR
Join Date: Nov 2010
Location: Aurora, ON, Canada

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Garage List
2008 BMW M5  [9.50]
2006 Z4M Coupe  [8.77]
2010 BMW S1000RR  [10.00]
Most of the flow goes through the main (bigger) pipe since it comes straight out while the the smaller pipe is more restrictive due to the bend in it. The secondary pipe gets some flow through it but very little. If you look at a pic of the muffler off the car it will make sense.
Here is a pic of it from one of the vendors on here.
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