My exhaust guy said his supplier gets them right from the manufacturer. He said they are just like 3" Corsa tips, but without "Corsa" etched into them and their markup. They are staggered, so there is a right and left. Hope that helps.

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2004 X5 3.0 MT, custom exhaust, AFE intake, Shark Injector, Towing Package, 100K miles

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