Honda Integra / RSX standalone ECUs
Honda's front-wheel-drive sports coupe, including the B-series Integra Type R and the K20-powered DC5 sold as the RSX in North America.
- Chassis
- DA · DC2 · DC5
- Years
- 1992–2006
- Engines
- B18 (OBD2) · K20A · B-series
- Layout
- 4-cylinder, FWD
You have 13 plug-in ECU options for the Honda Integra / RSX from Link and Haltech, 4 of them direct plug-in. The cheapest complete setup is Link at US$1,420 including the ECU. 63 wire-in ECUs can also run its 4-cylinder engine with a custom loom, from US$155.
Prices checked and include the ECU.
Your options for this car
New to this? Three ways to fit an aftermarket ECU explains each one in five minutes.
Dedicated plug-in 4
Built for this car. Goes where the factory ECU was and plugs straight into the factory loom.
From US$1,420 →
Standalone + adapter harness 9
A general-purpose ECU with an off-the-shelf harness that joins it to the factory ECU plug.
From US$2,120 →
Wire-in ECU 63
Any ECU with the right features, on a new or rewired loom. Best for race cars, swaps and big changes from factory.
From US$155 plus loom →
Reflash
Keep the factory ECU and rewrite its tune. Usually the cheapest, keeps every factory feature, but limited to what the factory hardware can control.
Reflash options for this car are still being checked.
Plug-in ECUs for the Honda Integra / RSX
13 options, cheapest first. Each one links to its full specs and sellers.
HC96X Plug-In ECU (Honda Civic 1996-98, Gen 6)
LS/GS/GS-R/Type R; Manual only; E-throttle needs modification
K20X Plug-In ECU (Honda DC5/RSX K20)
Manual only; onboard MAP; E-throttle needs expansion connector
HT-150939 Elite 1500 + Honda OBD-I B-Series Plug 'n' Play Adaptor Harness Kit
OBD-I B-series; Manual only
HT-150960 Elite 1500 + Honda Civic EP3 Plug 'n' Play Adaptor Harness Kit
Manual only; no multiplexed temp gauge/battery light/AC request
HT-212300 Nexus S2 Plug 'n' Play Adapter Harness Kit - Honda OBD-I
OBD-I B-series; Manual only
HT-213300 Nexus S3 Plug 'n' Play Adapter Harness Kit - Honda OBD-I
OBD-I B-series; Manual only
No plug-in is listed for that chassis and year. A wire-in ECU below will still fit with a custom loom.
Wire-in ECUs that can run this engine
Cheapest current unit from each brand with at least 4 injector and ignition outputs, so it runs fully sequential.
Add a loom: built by your tuner or a loom maker. Filter every wire-in ECU by features and price
Find a tuner for these ECUs
Shops with their own dyno that tune the brands above.
About the makers: Link · Haltech