mazda6

Has anyone managed to get as much hp from the skyactive engine 2.5 naturally aspirated? So far the mods on my car are short ram intake, cold air box, catback exhaust and lightweight pulley.. I already have a tune on 87 octane. I went with 87 because I just wanted to be safe. However, I'm...

Has anyone managed to get as much hp from the skyactive engine 2.5 naturally aspirated? So far the mods on my car are short ram intake, cold air box, catback exhaust and lightweight pulley.. I already have a tune on 87 octane. I went with 87 because I just wanted to be safe. However, I'm...

Hi all. I'm a proud owner of a 2010 2nd gen Mazda6 with the 2.5L NA engine and the maualmatic 5 speed transmission. I have begun upgrading my car for performance. Don't get me wrong, this car has great get up and go and the handling still scares the heck out of me on the corners but has never...