Quote:
Originally Posted by Pave Dew
Stock cat is 400-500cpi.
I have BCS 200 CPI cat DP. Jb4 in stock or bypass modes no cel.
Wagner tuning website confirms their 200cpi DP doesn't trigger CEL. Whereas Bastuck 100 CPI DP do confirm it will trigger CEL.
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What is your source for the cpi of the stock cat?
All of your examples, are they catted downpipes for the M235i/N55 platform specifically? I do not see a catted DP for the M235i on Wagner's website.