The Haltech Elite 550 is an entry-level wire-in engine control unit (ECU) from Haltech. It is discontinued. It has 4 injector and 4 ignition outputs and support for up to 8 cylinders. List price is US$935. 20 sellers list it from US$760 to US$1,170.
Prices checked . Specs from Haltech's published data.


Key specs
DBW = drive-by-wire throttle channels · λ wideband = onboard wideband lambda (oxygen sensor) inputs · CAN = controller area network buses.
Features
- ✕Drive-by-wire
- ✕Onboard wideband
- ✕Knock control
- ✓Flex fuel
- ✕Traction control
- ✓Launch control
- ✓Boost control
- ✕Gearbox control
- ✓Onboard logging
- ✕Ethernet
- ✓USB
- ✕Built-in display
✓ published · ✕ not offered · ? not published. Some features, like traction control and launch control, mean different things by brand. See the glossary.
Details
- Highlights
- Discontinued; replaced by Nexus T1. IP67 case, 4 bar MAP, 34-pin
- Software
- NSP (free)
- Logging
- 2MB onboard
- Links
- Product page ↗
- Plug-ins
- Haltech makes 193 model-specific plug-in fitments. Find one for your car
- Tuning
- Find a Haltech tuner with a dyno
- Maker
- Haltech: history, software and every model
Where to buy the Elite 550
20 sellers found
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Prices as shown on each seller's site on , in their own currency, converted at 14 Oct 2026 rates. Shipping, import duty and tax vary. Check with the seller before you buy.



