Welcome to DIYAutoTune.com, the retail store for our in-house brands AMP EFI, Digital Dash EFI, and MaxSpark, proudly supporting the MegaSquirt community. Based in Gainesville, GA, we manufacture all our products in the USA at our facility. Our mission is to be your ultimate destination for all your racing engine management and display needs, offering everything you need to get your vehicle up and running.
Unlock the Power of a Standalone EMS
With our standalone EMS solutions, you can instantly optimize your engine for maximum power and performance, regardless of the modifications you’ve made. And when you make new mods, simply tweak the settings to suit. Our systems are designed to be user-friendly, making it easy for first-time EFI tuners to get started, yet powerful enough for advanced tuning.
Compatible with All Gasoline Vehicles
Whether you drive an import or a domestic vehicle, our products deliver top-notch performance across the board. We are passionate about all types of vehicles, and our solutions are designed to work seamlessly with almost any engine.
Our Offerings
We stay on the cutting edge of tuning technology, offering the latest products and kits from our in-house brands AMP EFI, Digital Dash EFI, and MaxSpark, as well as the renowned Bowling and Grippo MegaSquirt line of DIY programmable EFI systems. Additionally, we provide top-quality supporting products for Wideband O2 systems, custom drop-on harnesses, and accessories to ensure your project runs smoothly.
Choose from our full line of MegaSquirt EMS, including our top-of-the-line AMP EFI MS3Pro PNP and Wire-in systems, as well as MS3/MS2 kits, available fully assembled or in kit form. Our electronics kits are clearly labeled and include everything you need to build your own EMS. We also offer extruded aluminum cases with professionally machined endplates for those who have sourced their MegaSquirt components elsewhere.
Stay Connected
Explore our online catalog to see our ever-expanding range of products, many of which are added based on customer feedback. Since 2004, we’ve been your one-stop shop for DIY EMS, and we’re here to support you every step of the way. Let us know how we can assist you in moving your project forward!