catalytic converter
catalytic converter
should i use my stock catalytic converter with my bpt swap, also i dont have the sensor connected on is this a problem
1995 J-Spec Az3, BPT swap, mazda speed eibach springs, mazda speed swaybars, mazda speed exhaust, mazda speed shock tower bar, mazda speed bodykit, sr shocks, disk-brakes all around,turbox boost controler, honda del sol act pressure plate, fmic 20x12x3