Description
ALL EFI Kit orders have a 3-4 week lead time, and require a completed EFI Order form emailed to us before we can begin processing the order! Click HERE to begin. RZ Adapter kit Ignite the potential of your 2RZ or 3RZ . If your 4‑cylinder Tacoma (or any 2RZ/3RZ build) no longer delivers the thrill it used to—and you’re stepping up to a turbo, supercharger, nitrous, bigger cams, or just want cleaner, smarter control—this is the engine management solution built to keep up. Why This Kit? Because bolt‑ons mean nothing without brains. The Haltech ECU delivers modern, reliable, tunable control for everything from a refreshed stock engine to a full race or boosted setup—street, desert, trail, course, or strip Chosen By EFI Specialists We selected the Nexus T1 — successor to the Elite 550 we ran for years — after hands-on tuning experience. Haltech (est. 1986, Australia) is a proven global motorsports winner with decades of championship pedigree. This kit streamlines installation, eliminates aging factory airflow metering, cleans up wiring headaches, and sets you up for precise, consistent power. Core Advantages (What You Gain) Internal 4 Bar MAP sensor good up to 43 psi of boost Removes the factory Air flow meter Onboard data logging (32MB) plus laptop logging 4D closed-loop boost control Launch control Short term fuel trims Long term fuel trims Full 3D fuel and ignition mapping Complete tunability for naturally aspirated, turbo, supercharger, and nitrous Compatible with individual throttle bodies Flex fuel sensor capable for E85 Variable cam control for up to 2 camshafts Knock sensor input Built-in WiFi and USB-C Water and environment proof (IP-66) And is completely versatile This Kit Includes: Haltech Nexus T1 or Nexus S2 ECU — your pick above. Wide Band o2 Sensor for closed loop correction and internal data logging. Made in the U.S.A. Adapter. Conversion Harness. Startup Map. This system is fully capable of managing anything from stock or mild builds trying to eliminate the factory Mass Air-Flow meter and bad wiring to a full race Stage 5 builds and even boosted applications, Turbo or supercharged, street, off-road and even full race setups, it can handle it all. Approximate install time 1 hr SNP Speed innovations has designed this kit for off-road use and may not be emission compliant Video on Factory 2 coil: https://youtu.be/nwhxUTzINJQ Video on Factory 4 coil: https://youtu.be/N0-bLB-Ee0E
Order Form & Installation Instructions
All EFI kit orders require a completed EFI Order Form before we can begin processing. Download it, fill it out, save it, and email it to tunedbygabe@gmail.com.
Download EFI Order Form
Installation Instructions — Nexus T1
Installation Instructions — Nexus S2
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