Originally Posted by Bull3tzx4st
I don't think that the zetec was as reliable as you think they were, if you noticed they dipped into the zetec program and then discontinued it... I have the zx4 st 2.3 with k&n Intske and magnaflow catback... The car is sick I love it reliable too... If that helps
I 2nd that to. After all it is a mzr motor & w/o it Mazda wouldn't have zoom zoom.