MENU
MS3Pro_Apparel

Get your MS3Pro Apparel Here

Flex your MS3Pro colors!  Cotton T’s, curved or flat brim FlexFit hats!

Shop Apparel & Merchandise

 

ms3ph-trans_4l80-pkg(2)

4L60E & 4L80E Plug & Play Transmission Control

The versatile MicroSquirt can control 4L60E & 4L80E transmissions with just a few clicks!  No wiring necessary.

Shop MicroSquirt Transmission Control

MS3-Pro LSX Engine Plug and Plug Drop-on Harness

MS3Pro LS 24x & 58x Plug and Play

Available NOW! Choose your injector connectors!

View Products

 

MS3-Pro-Standalone-EFI-EMS

MS3-Pro is redefining state of the art in engine & powertrain control!

Experience for yourself why more and more competitors are recognizing and choosing MS3-Pro over the competition.

Shop MS3-Pro

Who is DIYAutoTune?

We are Your One-Stop DIY EFI Shop!

MegaSquirt Electronic Fuel Injection Systems, Wideband O2 Sensor Systems, Wiring Harnesses and more...

Based in Suwanee, GA (near Atlanta) we are the primary manufacturer and distributor of the MegaSquirt line of EMS/EFI Systems. Made right here at our facility in the USA. In short, we 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!
Continue Reading →

Learn more about DIYAutoTune:

How are we doing? Provide your feedback on this page