BMW M3 G80 G82 - View Single Post - Exhaust details & undercarriage look from G82 M4 / G80 M3

kyleb350 · 10-06-2020, 09:47 AM

Preproduction maybe? I'm not an exhaust expert, but I imagine having the primary cats far from the manifold isn't good for efficiency.

10-06-2020, 09:47 AM	#2
kyleb350 Brigadier General 424 Rep 4,709 Posts Drives: '21 X3MC Join Date: Jun 2008 Location: Milwaukee iTrader: (6)	Preproduction maybe? I'm not an exhaust expert, but I imagine having the primary cats far from the manifold isn't good for efficiency.
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