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MegaSquirt 1

After a truly epic run of 16 years, DIYAutoTune no longer offers MegaSquirt 1 (MS1) ECU’s due to components no longer being available (you can’t buy these CPUs any more for one) – Please consider the amazing bang-for-the-buck MegaSquirt 2 or MegaSquirt 3 systems!

EPA, CARB & Emissions Disclaimer- All ECU's are for race purposes only. It's your responsibility to remain in compliance with all federal, state, provincial, or other laws that apply to you.

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