A) I would gladly pay a ticket if a cop actually laid down on his stomach to look under my car and notice there was no cat, if he even knew what a cat was.
Good luck trying to unbolt it. I removed my cats, if your 7g is like mine you have 2, on is curved and is between the exhaust manifold and flex section this cat is the actual pipe that holds your O2 sensor which you need. The middle CAT is easy to replace with a straight pipe. To get them off though you'll need an angle grinder and grin the nut off the end and the cat will fall right off. Then take your cat, grind off the post where the screw is, and drill out that hole so that when inspection time comes, you can reinstall your cat in 2 seconds.
I have no cats on my car, my engine revs a tad faster, barely noticable, it doesnt do any real performance increase on the car unless you have a turbo I guess. And loudness well, if you have the propper gaskets and a fully welded testpipe you won't notice anything different. You'' drop about 50 lbs off your car if you remove both cats for you weight concious people
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