Megasquirt / DIYautotune / AMP EFI

Megasquirt is a high performance engine & powertrain control systems brand focused on manufacturing professional, out-of-the-box solutions for today’s high I/O, high horsepower drag and road racing combinations.  Our systems are proudly manufactured and supported in the USA.
64 products
MegaSquirt-III Daughterboard Kit
Regular price
$230.00
MegaSquirtPNP Gen2 90-93 Mazda Miata – Manual Trans
Regular price
$799.00
MegaSquirt 1 2 3 Wiring Bundle – 8ft
Regular price
$48.00
MegaSquirt 3X Wiring Bundle – 8′ long
Regular price
$51.00
MegaSquirt MS3X ECU
Regular price
$762.00
MegaSquirtPNP Gen2 96-97 Mazda Miata – Manual Trans
Regular price
$799.00
MegaSquirt PNP Gen2 86-93 Ford Mustang 5.0
Regular price
$839.00
8′ MegaSquirt Wiring Harness for MS3X
Regular price
$86.00
MegaSquirt Wiring Harness 8'
Regular price
$89.00
Megasquirt Relay Board - Assembled
Regular price
$130.00
MS3Pro EVO Standalone w/ LSX drop in Harness
Regular price
$1,749.00
MS3Pro EVO Standalone EMS w/ Harness
Regular price
$1,249.00
MegaSquirt-III MS3X Expansion Card
Regular price
$110.49
MegaSquirt-II Programmable EFI System PCB3.0 – Kit
Regular price
$324.00
MegaSquirtPNP Gen2 99-00 Mazda Miata – Manual Trans
Regular price
$839.00
MegaSquirt PNP Gen2 85-90 Toyota Pickup/4Runner with 22RE OR 22RTE
Regular price
$799.00
MegaSquirt PNP G2 1989-1994 Nissan 240sx ka24 & Hardbody Pick up
Regular price
$799.00
MS3Pro Plug and Play for 03-04 Ford Mustang SVT Terminator Cobra
Regular price
$1,349.00
MS3Pro Plug and Play for 99-04 V8 Mustang GT / Cobra / Mach1
Regular price
$1,349.00
MS2 ECU + L-Series Terminated Harness & Fusebox
Regular price
$750.00
MicroSquirt ECU w/ 30" Harness
Regular price
$360.00
MicroSquirt ECU w/ 8ft Harness
Regular price
$380.00
CAN EGT 8 CHANNEL
Regular price
$350.00
MegaSquirt Relay Cable
Regular price
$89.00
MicroSquirt CAN Transmission Controller with 4L60E Subharness
Regular price
$499.00
MicroSquirt CAN Transmission Controller with 4L80E Subharness
Regular price
$499.00
MS3Pro Ultimate Standalone w/ LSX drop in Harness
Regular price
$2,049.00
MS3Pro EVO Standalone EMS - ECU only
Regular price
$1,099.00
MS3Pro Ultimate Standalone EMS - ECU only
Regular price
$1,349.00
MS3Pro Ultimate Standalone EMS w/ Harness
Regular price
$1,499.00
MS3 Pro Plug and Play for Subaru WRX 02-05
Regular price
$1,199.00
MS3 Pro Plug and Play for 01-05 Mazda Miata
Regular price
$1,199.00
MS3Pro 1984-1987 Buick Regal / Grand National Plug and Play
Regular price
$1,229.00
MegaSquirt-III V3.0 Kit
Regular price
$445.00
MegaSquirt-III EMS System V3.57
Regular price
$645.00
MegaSquirt II 3.57 Assembled ECU
Regular price
$515.00
MS3 Pro Plug and Play for 04-05 Mazda Miata Mazdaspeed Miata
Regular price
$1,199.00
MS3 Pro Plug and Play for 99-00 Mazda Miata
Regular price
$1,199.00
MS3 Pro Plug and Play for 94-95 Mazda Miata
Regular price
$1,199.00
MS3 Pro Plug and Play for 90-93 Mazda Miata
Regular price
$1,199.00