Post by lanceslambos on Aug 10, 2018 22:01:37 GMT -6
Any of them. There's nothing specifically for our cars unless you want to go with Corsa. Something to keep in mind which apparently no one on here but me does is consider the weight of every part you use and if the price is relative just go with the lightest option. I lost 30 pounds on the exhaust system alone and still have a cat and tips.
'98 Aurora w/ Accurate Engines port & polished VIN Y 4.6 bored.30 over, NSP stage 3 PCM, K&N intake, performance exhaust, Razzi skirts, Lund wing, strut bar, custom paint, went on a diet and lost 160 lb.
Basically you get two of these and thread them into eachother and then the o2 sensor location post-cat. Then you thread the o2 sensor into that. It's about finding the right size(the one I linked is a generic example). What that does is draw the sensor away from the flow of the exhaust, altering the readings post cat. Thus with two different readings pre and post cat, the car thinks the cat is working.
Not guaranteed to work or work forever but an old trick nonetheless. There are plenty of videos/tutorials online on how to do it.
Haha, be careful if you're planning to gut/straight-pipe your cat and run O2 spacers;
You may fool the PCM in your car... You may even fool the sniffer at the testing station... But you'll never pass a visual inspection, and then you'll have some 'splainin' to do, lol!
Depending on your state/local regulations, of course.
FWIW, I had a home-made straight-piped cat on our old '96 GMC Jimmy for years. Instead of spacers, I used an O2 simulator (emulator?) that a friend had given me. Kept the light off, and since there's no emissions testing here, win for me!