A bad tune can burn pistons, cause knock, seriously f*** your motor. If you have to skimp on something make sure it is nothing that controls air/fuel.freakyjason wrote:could a bad tune possible harm your engine or would it just not be running at peak performance? its almost cheap enough that i would give it a try and if it ran shatty i would look into JWT.
freakyjason wrote:But has anyone ever delt with these guys?
redtop91 wrote:S13xcrazy on here