Quote:
Originally Posted by Timco
So besides a UD pulley, I am getting lots of peer pressure to do the cat delete as well. Gosh, this site takes me back sometimes! (Just do it, you'll like it....)
So....
1) is it legal to remove the cats?
2) if I tie-wrap the O2 sensor under the car, why does the false ambient air reading not cause the car to throw CEL codes? Why does the straight air not cause the car to mix or run different?
I just need all the facts before heading down yet ANOTHER fork on Boxster Road....
Thanks, Tim
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The secondary cats are extraneous ! They can be deleted and bypassed without any concerns for CEL's or OBDII compliance. Get rid of them - and shed the equivalent of a couple of boat anchors !