Making the most of your Megasquirt - information and support focussed on MSEXTRA firmware and MS3.

Megasquirt is a range of standalone engine management systems. All systems are intended for DIY install and most installs are self tuned. With Megasquirt you get the opportunity to learn how engine management works and gain full tuneability of your engine. Be sure to read the documentation here and on vendors' sites to see which of the product range is right for you to get the best results.

Product Information	Product features and technical details for all ECU products
How to Purchase	Purchasing guidance and link to suppliers list
Documentation	Read the manuals here
Support Forum	Active support forums. Support from the main suppliers and developers. Be sure to read the manuals first.
Downloads	Download tuning software and firmware here