Thread: NEW! BMW F87 M2 Armytrix Decat/Cat-Back Valved Exhaust | Photos & Sound Videos
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      08-05-2019, 09:48 PM   #91
Armytrix_Exhaust
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Originally Posted by cecaa850 View Post
Why run 2 pipes to the back?
We have different design for different models, considering performance optimization and significant sound changes, 2 pipes are our best option
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