Heza Posted May 27, 2003 Report Posted May 27, 2003 ok, so i'm gonna order a high flow catalytic converter for my car and i cant look at it cuz some of you already know, i'm in the middle east. so, maybe one of you can help me. i have a '94 Grand Prix SE. does my cat right now have the air tube on the side?? what's the difference between 2 and 3 way converters?? which shall i use?!? please help me...anyone! :? Quote
Robby1870 Posted May 27, 2003 Report Posted May 27, 2003 I *think* your cat does. I know it has an O2 before and after it. I think in 94 they went to the cats with the air tubes. Robby Quote
cutlassdude96 Posted May 28, 2003 Report Posted May 28, 2003 I belive an air tube is for an air pump and it was 96 when they went 2 O2 sensors. Quote
Robby1870 Posted May 28, 2003 Report Posted May 28, 2003 W-bodys with a 5spd all had AIR pumps and the attached to rear exhaust manifold Robby Quote
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