2014-2018 Mazda 3 Skyactiv Discussion
Sup guys I would like to know if a cat delete on my mazda 3 2014 Gs would be a problem on a long term ? I already have a magnaflow exhaust and I would like to make some pops and people always tell me to have a cat delete to make them so is it true ? Do you guys recommand it ? Also if I do so, I...