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      05-05-2020, 10:45 AM   #1057
velociti
First Lieutenant
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Drives: 2009 E90 M3
Join Date: Jun 2013
Location: PA

iTrader: (1)

Maybe a dumb question, but would a Stage 2 tune be too aggressive with a catted x-pipe like the aFe below? I know a catless is better for power, but I don't want the headache of a CEL or putting more pollutants in the air. Is it reasonable to expect 30ish horsepower from a Stage 2 tune with this x-pipe?

https://afepower.com/afe-power-49-36...ith-resonators
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2009 E90 M3 | 2011 E82 135i | 2002 E46 M3 | 2005 RX-8
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