Honda Civic EP3

Elite 1000/1500 Honda Civic EP3 Plug 'n' Play Adaptor Harness (HT-140960)

$495.00

Plug-In Fitment

No wiring needed

Component Only

No ECU included

Nexus S3 Plug 'n' Play Adapter Harness Kit - Honda EP3 (02-04) (HT-213302)

$2,800.00

ECU

Engine management

Plug-In Fitment

No wiring needed

Complete Kit

ECU plus harness

Nexus S2 Plug 'n' Play Adapter Harness Kit - Honda EP3 (02-04) (HT-212302)

$2,365.00

ECU

Engine management

Plug-In Fitment

No wiring needed

Complete Kit

ECU plus harness

Elite 1500 + Honda Civic EP3 Plug 'n' Play Adaptor Harness Kit (HT-150960)

$2,120.00

ECU

Engine management

Plug-In Fitment

No wiring needed

Complete Kit

ECU plus harness

Nexus Plug-in ECU - Honda EP3 (2001-2005) DC5 (2002-2004) (HT-231001)

$1,695.00

Plug-In Fitment

No wiring needed

Save 5%

Radium Fuel Rail Plumbing Kit | 2001-2005 Civic Si & 2002-2006 RSX Type-S (20-0230-PK)

$47.45 $49.95

Save 5%

Radium Engineering Fuel Rail | 2001-2005 Honda Civic Si and 2002-2006 Acura RSX Type-S (20-0230-02)

$142.45 $149.95

Injector Dynamics OBD2 Honda Male Connector Kit - Pigtail | Multiple Honda Fitments (94.4)

$8.09

Injector Dynamics OBD2 Honda Male Connector Kit | Multiple Honda Fitments (93.4)

$6.93

Injector Dynamics ID2600-XDS Fuel Injectors | Set of 4 | Multiple Fitments (2600.48.14.14.4)

$1,593.90

Injector

Fuel delivery

High Impedance

No resistor box

Flow Matched

Balanced set

E85 Compatible

Ethanol safe

Injector Dynamics ID2600-XDS Fuel Injectors | Set of 4 | Multiple Fitments (2600.60.11.14.4)

$1,593.90

Injector

Fuel delivery

High Impedance

No resistor box

Flow Matched

Balanced set

E85 Compatible

Ethanol safe

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Injector Dynamics ID1300-XDS Fuel Injectors | Set of 4 | Multiple Fitments (1300.48.14.14.4)

From $1,039.50

Injector

Fuel delivery

High Impedance

No resistor box

Flow Matched

Balanced set

E85 Compatible

Ethanol safe

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Injector Dynamics ID1050-XDS Fuel Injectors | Set of 4 | Multiple Fitments (1050.60.11.14.4)

From $600.60

Injector

Fuel delivery

High Impedance

No resistor box

Flow Matched

Balanced set

E85 Compatible

Ethanol safe

Injector Dynamics USCAR to OBD2 PnP Adapter | Multiple Fitments (90.2)

$17.33

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Injector Dynamics ID1050-XDS Fuel Injectors | Set of 4 | Multiple Fitments (1050.48.14.14.4)

From $600.60

Injector

Fuel delivery

High Impedance

No resistor box

Flow Matched

Balanced set

E85 Compatible

Ethanol safe

Nexus S2/S3 Plug 'n' Play Adapter Harness Honda EP3 (HT-186343)

$535.00

Plug-In Fitment

No wiring needed

Component Only

No ECU included

Haltech Nexus S3 ECU & Acura RSX | Honda Civic 2001-2005 Plug 'n' Play Adapter Harness Kit (HT-651541)

$3,105.00

Haltech Nexus S2 ECU & Acura RSX | Honda Civic 2001-2005 Plug 'n' Play Adapter Harness Kit (HT-651540)

$2,670.00

Haltech Nexus R5 VCU & Acura RSX | Honda Civic 2001-2005 Plug 'n' Play Adapter Harness Kit (HT-651539)

$5,395.00

VCU

ECU plus PDM

Plug-In Fitment

No wiring needed

Complete Kit

ECU plus harness

Haltech Nexus R3 VCU & Acura RSX | Honda Civic 2001-2005 Plug 'n' Play Adapter Harness Kit (HT-651538)

$3,425.00

VCU

ECU plus PDM

Plug-In Fitment

No wiring needed

Complete Kit

ECU plus harness

Haltech Nexus S3 ECU & Acura Integra | Honda Accord & more 1998-2002 Plug 'n' Play Adapter Harness Kit (HT-651533)

$3,105.00

Haltech Nexus S2 ECU & Acura Integra | Honda Accord & more 1998-2002 Plug 'n' Play Adapter Harness Kit (HT-651532)

$2,670.00

Haltech Nexus R5 VCU & Acura Integra | Honda Accord & more 1998-2002 Plug 'n' Play Adapter Harness Kit (HT-651531)

$5,395.00

VCU

ECU plus PDM

Plug-In Fitment

No wiring needed

Complete Kit

ECU plus harness

Haltech Nexus S3 ECU & Acura Integra | Honda Prelude & more 1996-2001 Plug 'n' Play Adapter Harness Kit (HT-651529)

$3,105.00

Haltech Nexus S2 ECU & Acura Integra | Honda Prelude & more 1996-2001 Plug 'n' Play Adapter Harness Kit (HT-651528)

$2,670.00

Haltech Nexus R5 VCU & Acura Integra | Honda Prelude & more 1996-2001 Plug 'n' Play Adapter Harness Kit (HT-651527)

$5,395.00

VCU

ECU plus PDM

Plug-In Fitment

No wiring needed

Complete Kit

ECU plus harness

Haltech Nexus R3 VCU & Acura Integra | Honda Prelude & more 1996-2001 Plug 'n' Play Adapter Harness Kit (HT-651526)

$3,425.00

VCU

ECU plus PDM

Plug-In Fitment

No wiring needed

Complete Kit

ECU plus harness

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Acura Integra | Honda Prelude & more 1996-2001 Haltech Nexus Wiring Harness (BF29004)

From $840.00

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Acura Integra | Honda Accord & more 1998-2002 Haltech Nexus Wiring Harness (BF29005)

From $840.00

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Acura RSX | Honda Civic 2001-2005 Haltech Nexus Wiring Harness (BF29008)

From $840.00

Haltech Platinum PRO Plug-in ECU for Honda EP3 (HT-055047)

$1,795.00

ECU

Engine management

Plug-In Fitment

No wiring needed

Remote tuning, done live with Shawn

Book your session

Free consult

30 minutes to scope your build and setup.

First start

Live session to get the engine running safely.

Dial it in

1 or 3 hour tuning blocks on your schedule.

Haltech products for the Honda Civic EP3, including Nexus plug and play options for the K20 powered Si. Install, start, and let us remote tune it.

Honda Civic EP3

Remote tuning, done live with Shawn

Free consult

First start

Dial it in

Hi I'm Shawn