Mazda 6 Forums banner

2009 mazda 6

  1. Mazda6 (Atenza)
    I have a 2009 Mazda 6 I sedan that I just bought over a year ago. It has a 2.5L, 4 cylinder engine, I want to make it faster but I don’t know where to go or what to do in order for it to have a real difference in my speed. I know that some other cars similar to mine or the same as mine come with...