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So the sport and sport+ still make a difference in exhaust note just like it does stock?
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Certified High Performance Driving Instructor - BMW of North America, Porsche Club of America / Chief In-Vehicle Instructor - Fleet Safety International
Gone but not forgotten: 2008 E92 M3; Eisenmann Race Exhaust / Dinan 3.62 Limited Slip Differential / Dinan Software / Dinan High-Flow Intake / Dinan Camber Plates / Dinan Lowering Springs / Dinan Sway-Bars
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