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sw20kosh · 03-11-2013, 11:55 AM

Quick question: Does removing the second cat affect the performance of the engine? Does it throw a Check Engine Light?

How about smell? fuel economy?

Thanks!

03-11-2013, 11:55 AM	#1
sw20kosh Senior Member Join Date: Jul 2012 Drives: 2013 Black FR-S Location: SF Posts: 3,030 Thanks: 881 Thanked 2,014 Times in 990 Posts Mentioned: 153 Post(s) Tagged: 1 Thread(s)	Secondary Cat Quick question: Does removing the second cat affect the performance of the engine? Does it throw a Check Engine Light? How about smell? fuel economy? Thanks!