Really want to get a header for my 4G69.. Now this should eliminate the CATS would it not? whats the story on that as far as regulations?.. im fine with doing it but would it be obvious?

Asked by May 27, 2015 at 10:38 AM about the 2007 Mitsubishi Eclipse GS

Question type: Car Customization

I still have resonator and a axle-back performance muffler.

3 Answers

107,445

You cannot legally remove the catalyst, most street headers will not cause you to remove the cats, only those that state off road only will do that.

As you can see here its all welded together ...http://i.ebayimg.com/00/s/OTAwWDE2MDA=/z/1nIAAOSwxYxUvRsr/$ _57.JPG my guess is getting a high flow universal cat for the new header ?

1,645

No, the cat convertor bolts up to the header collector with a braided flex conector inbetween them. My 06' supercharged JCW Mini-S was set up this way.

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