Hey everyone, I have a 2004 Mazda 3 hatchback with a 2.3 and its automatic. I was on Youtube and it seems that a lot of guys are into magnaflow for the car. It gives a nice deep sound and doesnt sound like a rice burner, no offense to anyone. If thats the case, what kind of mag is it or does anyone have any other ideas.

Also I was thinking about puting dual exhaust on, but I need the rear spoiler under the bumper to have 2 cut outs, does the mazda speed rears work or what should I do? Does anything for the speed fit on a non speed mazda 3 hatchback?

Any ideas are highly appreciated here. My first Mazda and Im really enjoying it, would like to get somethings done before summer hits us.