What CEL rating are OEM AMG cats?
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2004 E55 AMG
What CEL rating are OEM AMG cats?
Looking at getting a custom switchable exhaust fabricated by Hayward & Scott - they are suggesting 100 cel cats, smaller back boxes and utilising my AMG tips - thoughts?
#6
FWIW, 100cpi's are going to be loud, 300s are what most aftermarket header manufacturers use (unless the customer specifies otherwise). If you don't mind the extra volume, go with 100s.