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M6 GC Competition Pkg vs Perfomance Exhaust
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05-13-2019, 03:35 PM
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sjr-sooner
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Drives: 2018 M6 GC Frozen White Comp
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M6 GC Competition Pkg vs Perfomance Exhaust
Does anyone know is the Performance Exhaust (z10) that you can get from the factory as an option adds any horsepower or is it purely for sound?
Also how it compares the the competition package?
Thanks.
Appreciate
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