We don't have any smog checks in Alabama, but I ran cats on the Father/Son project Malibu. My son didn't like the exhaust fume smell without the cats. Like Mark, I don't run the rear O2 sensors.
MalibuRacing said:We don't have any smog checks in Alabama, but I ran cats on the Father/Son project Malibu. My son didn't like the exhaust fume smell without the cats.