When you want to squeeze every ounce of extra power out of your ride, you want DIY AutoTune. Founded in 2004, the company offers everything needed to integrate your own fully programmable engine management system with a wide range of engines, whether you drive a stock Miata or a highly customized street rod. Check out innovative plug-and-play options, like the popular MegaSquirt MS3 Pro, which features 12 fuel channels, eight ignition channels, and all the I/O you need.