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.


1998-2001 LEXUS GS300 Boomslang Wiring Harness for Haltech 2500

1998-2001 LEXUS GS300 Boomslang Wiring Harness for Haltech 2500

Fits: GS300

Simplify the wiring of your ECU install with a wiring harness from Boomslang. Built specicifically f..

$840.00

2003-2007 LEXUS LX470 ECU PATCH HARNESS

2003-2007 LEXUS LX470 ECU PATCH HARNESS

Fits: LX470

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

$369.55 $389.00

2002-2005 LEXUS IS300 ECU PATCH HARNESS

2002-2005 LEXUS IS300 ECU PATCH HARNESS

Fits: IS300

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

$369.55 $389.00

1991-1995 TOYOTA MR2 ECU PATCH HARNESS

1991-1995 TOYOTA MR2 ECU PATCH HARNESS

Fits: MR2

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

$156.75 $165.00

1992-2002 TOYOTA 4RUNNER V6 ECU PATCH HARNESS

1992-2002 TOYOTA 4RUNNER V6 ECU PATCH HARNESS

Fits: 4Runner

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

$189.05 $199.00

1993-1998 TOYOTA SUPRA 2JZ-GTE Manual Boomslang Wiring Harness for Haltech Nexus R5

1993-1998 TOYOTA SUPRA 2JZ-GTE Manual Boomslang Wiring Harness for Haltech Nexus R5

Fits: Supra

Simplify the wiring of your ECU install with a wiring harness from Boomslang. Built specicifically f..

$1,276.00

1998-2000 LEXUS SC400 ECU PATCH HARNESS

1998-2000 LEXUS SC400 ECU PATCH HARNESS

Fits: SC400

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

$189.05 $199.00

1998-2002 LEXUS LX470 ECU PATCH HARNESS

1998-2002 LEXUS LX470 ECU PATCH HARNESS

Fits: LX470

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

$189.05 $199.00

2002-2005 LEXUS GS300 Boomslang Wiring Harness for Haltech 2500

2002-2005 LEXUS GS300 Boomslang Wiring Harness for Haltech 2500

Fits: GS300

Simplify the wiring of your ECU install with a wiring harness from Boomslang. Built specicifically f..

$840.00

2002-2005 LEXUS GS300 Boomslang Wiring Harness for Haltech Nexus R3

2002-2005 LEXUS GS300 Boomslang Wiring Harness for Haltech Nexus R3

Fits: GS300

The Boomslang Harness for the Haltech Nexus R3 is a high-quality wiring solution that simplifies the..

$874.00

LINKECU MR2Link V3 - TST205X PLUGIN  G4X BASED

LINKECU MR2Link V3 - TST205X PLUGIN G4X BASED

Fits: MR2

Easy to install. Affordable. Reliable.  G4X PlugIn ECUs offer the latest in engine managem..

$1,595.00

1989-1992 TOYOTA SUPRA ECU PATCH HARNESS

1989-1992 TOYOTA SUPRA ECU PATCH HARNESS

Fits: Supra

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

$156.75 $165.00

1992-1997 LEXUS SC300 ECU PATCH HARNESS

1992-1997 LEXUS SC300 ECU PATCH HARNESS

Fits: SC300

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

$521.55 $549.00

1993-1997 TOYOTA SUPRA 2JZ-GE Auto Boomslang Wiring Harness for Haltech 2500

1993-1997 TOYOTA SUPRA 2JZ-GE Auto Boomslang Wiring Harness for Haltech 2500

Fits: Supra

Simplify the wiring of your ECU install with a wiring harness from Boomslang. Built specicifically f..

$816.00

1993-1997 TOYOTA SUPRA 2JZ-GE Auto Boomslang Wiring Harness for Haltech Nexus R3

1993-1997 TOYOTA SUPRA 2JZ-GE Auto Boomslang Wiring Harness for Haltech Nexus R3

Fits: Supra

The Boomslang Harness for the Haltech Nexus R3 is a high-quality wiring solution that simplifies the..

$1,093.00

Showing 31 to 45 of 162 (11 Pages)