5X Racing » DIYAutoTune

Based in Suwanee, GA (near Atlanta) DIY ia the primary manufacturer and distributor of the MegaSquirt line of EMS/EFI Systems. Made right here at their facility in the USA. In short, they offer you an affordable way to run your race car on a fully programmable fuel injection and ignition controller, with plenty of high end features such as progressive nitrous control, boost control, 3 step rev limiters, electronic fan control, and spare outputs to control just about anything!