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[General Jack]

Originally Posted by PPP-Tim

Gain should be around there depending on what mods you have.

Like many very high flow cats, they may trigger a check engine light. This happens because the rear 02 sensors think that the cat must be broken. So I would recommed that you get a DiabloSport Predator because you can turn off that annoying CEL.

Tim C

Yeah, I've had that experience on GM cars... but at least there is a relatively easy fix!