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Originally Posted by jaykay
Has anyone done the Crios mod and bypass pipes? I would think that this might give a deeper sound on an S at least (main cats are in the headers.
I was going to do this but really do not want the er....em dare I say ricer tone..
I am after a deeper flat six grunt...
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Only the 2.5 cars have one set of cats, any 2.7 or 3.2 has 2 pre-cats in the header, and two secondary cats in the mid pipe.