Shop All Categories

ECUs

Build a reliable engine management system with premium ECUs, wiring harnesses, and electronic solutions from FIGS.

Whether you're replacing factory engine management or building a fully customized performance vehicle, FIGS offers the electronic components needed for a dependable and professional installation. Our selection includes standalone ECUs, plug-and-play wiring harnesses, adapter harnesses, and motorsport-grade wiring solutions designed to simplify installation while providing the flexibility modern performance builds demand.

Featuring products from trusted manufacturers including Haltech, Boomslang Fabrication, and Autosport Wiring, our ECU and wiring solutions support everything from street-driven projects to dedicated race cars. Whether you're installing a standalone engine management system, completing an engine swap, or upgrading your vehicle's electrical infrastructure, FIGS provides proven solutions engineered for performance, reliability, and seamless integration.

ECUs

ECUs

Build a reliable engine management system with premium ECUs, wiring harnesses, and electronic solutions from FIGS.

Whether you're replacing factory engine management or building a fully customized performance vehicle, FIGS offers the electronic components needed for a dependable and professional installation. Our selection includes standalone ECUs, plug-and-play wiring harnesses, adapter harnesses, and motorsport-grade wiring solutions designed to simplify installation while providing the flexibility modern performance builds demand.

Featuring products from trusted manufacturers including Haltech, Boomslang Fabrication, and Autosport Wiring, our ECU and wiring solutions support everything from street-driven projects to dedicated race cars. Whether you're installing a standalone engine management system, completing an engine swap, or upgrading your vehicle's electrical infrastructure, FIGS provides proven solutions engineered for performance, reliability, and seamless integration.


1998-2000 LEXUS SC300 Haltech ECU R3 W/ Boomslang Wiring Harness

1998-2000 LEXUS SC300 Haltech ECU R3 W/ Boomslang Wiring Harness

Fits: SC300

This setup features the Haltech Nexus R3 VCU, a cutting-edge vehicle control unit that offers advanc..

$3,005.80

1998-2000 LEXUS SC400 Haltech ECU 2500 W/ Boomslang Wiring Harness

1998-2000 LEXUS SC400 Haltech ECU 2500 W/ Boomslang Wiring Harness

Fits: SC400

This powerful combination features the Haltech Elite 2500 ECU, a versatile and advanced engine manag..

$2,587.80

1998-2000 LEXUS SC400 Haltech ECU R3 W/ Boomslang Wiring Harness

1998-2000 LEXUS SC400 Haltech ECU R3 W/ Boomslang Wiring Harness

Fits: SC400

This setup features the Haltech Nexus R3 VCU, a cutting-edge vehicle control unit that offers advanc..

$3,109.35

1998-2001 LEXUS GS300 Haltech ECU 2500 W/ Boomslang Wiring Harness

1998-2001 LEXUS GS300 Haltech ECU 2500 W/ Boomslang Wiring Harness

Fits: GS300

This powerful combination features the Haltech Elite 2500 ECU, a versatile and advanced engine manag..

$2,587.80

1998-2001 LEXUS GS300 Haltech ECU 750 W/ Boomslang Wiring Harness

1998-2001 LEXUS GS300 Haltech ECU 750 W/ Boomslang Wiring Harness

Fits: GS300

This setup includes the Haltech Elite 750 ECU, a highly advanced and compact engine management syste..

$1,865.80

1998-2001 LEXUS GS300 Haltech ECU R3 W/ Boomslang Wiring Harness

1998-2001 LEXUS GS300 Haltech ECU R3 W/ Boomslang Wiring Harness

Fits: GS300

This setup features the Haltech Nexus R3 VCU, a cutting-edge vehicle control unit that offers advanc..

$3,005.80

2001-2001 LEXUS IS300 Haltech ECU 2500 W/ Boomslang Wiring Harness

2001-2001 LEXUS IS300 Haltech ECU 2500 W/ Boomslang Wiring Harness

Fits: IS300

This powerful combination features the Haltech Elite 2500 ECU, a versatile and advanced engine manag..

$2,587.80

2001-2001 LEXUS IS300 Haltech ECU 750 W/ Boomslang Wiring Harness

2001-2001 LEXUS IS300 Haltech ECU 750 W/ Boomslang Wiring Harness

Fits: IS300

This setup includes the Haltech Elite 750 ECU, a highly advanced and compact engine management syste..

$1,865.80

2001-2001 LEXUS IS300 Haltech ECU R3 W/ Boomslang Wiring Harness

2001-2001 LEXUS IS300 Haltech ECU R3 W/ Boomslang Wiring Harness

Fits: IS300

This setup features the Haltech Nexus R3 VCU, a cutting-edge vehicle control unit that offers advanc..

$3,005.80

2002-2005 LEXUS GS300 Haltech ECU 750 W/ Boomslang Wiring Harness

2002-2005 LEXUS GS300 Haltech ECU 750 W/ Boomslang Wiring Harness

Fits: GS300

This setup includes the Haltech Elite 750 ECU, a highly advanced and compact engine management syste..

$1,865.80

2002-2005 LEXUS GS300 Haltech ECU R3 W/ Boomslang Wiring Harness

2002-2005 LEXUS GS300 Haltech ECU R3 W/ Boomslang Wiring Harness

Fits: GS300

This setup features the Haltech Nexus R3 VCU, a cutting-edge vehicle control unit that offers advanc..

$3,109.35

2002-2005 LEXUS IS300 Haltech ECU R3 W/ Boomslang Wiring Harness

2002-2005 LEXUS IS300 Haltech ECU R3 W/ Boomslang Wiring Harness

Fits: IS300

This setup features the Haltech Nexus R3 VCU, a cutting-edge vehicle control unit that offers advanc..

$3,109.35

2002-2005 LEXUS SC430 Haltech ECU 2500 W/ Boomslang Wiring Harness

2002-2005 LEXUS SC430 Haltech ECU 2500 W/ Boomslang Wiring Harness

Fits: SC430

This powerful combination features the Haltech Elite 2500 ECU, a versatile and advanced engine manag..

$2,587.80

2006-2010 LEXUS SC430 Haltech ECU 2500 W/ Boomslang Wiring Harness

2006-2010 LEXUS SC430 Haltech ECU 2500 W/ Boomslang Wiring Harness

Fits: SC430

This powerful combination features the Haltech Elite 2500 ECU, a versatile and advanced engine manag..

$2,587.80

2001 LEXUS IS300 ECU PATCH HARNESS

2001 LEXUS IS300 ECU PATCH HARNESS

Fits: IS300

If you are looking to relocate the factory harness, without cutting and splicing 100 wires, we ..

$189.05 $199.00

Showing 16 to 30 of 162 (11 Pages)