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      04-24-2011, 09:30 PM   #1
'17 750i Msport
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Drives: 2017 750i M Sport
Join Date: Apr 2011
Location: New York

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2011 550i exhaust

I have a 550i M sport on order and plan on a few minor mods the exhaust being first. Does anyone know the configuration of the exhaust on the car? In other words is it a true dual exhaust? Is there a resonator? two or four cats? one big muffler with dual outlets or two mufflers each with outlets? Where is the flap located i here people talking about? Sorry for so many questions but the answers would be greatly appreciated. Thank You.
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