guide

Just a random question I had after checking out a friend's Speed3 with a slightly different setup than mine regarding the vacuum lines for the boost controller. For context, I have an EWG and the setup below mirrors mine, with the exception of my wastegate being external rather than internal...

Hi all, I'm currently working on a website to document upgrades for the Mazdaspeed 3. https://www.mazdaspeedguide.com/ As a developer, this is passion project I wanted to build as I'm currently in the process of doing a major overhaul on my own Speed, after having a bone-stock car since new...

So I did a Google search and couldn't find a "Buying" guide on MSO. I did find a few suggestions on some other websites, but I didn't find anything that was very thorough. I'm going to post what I have found so far and please feel free to add more. * If it has mods it better have an upgraded...