Holley Terminator X Bluetooth module recognised at SEMA 2025
The module was a SEMA Media's Choice pick and a finalist for Best Engineered New Product in the SEMA New Products Awards.
Holley's Terminator X Bluetooth Module (part number 558-483) was one of the products picked in the first revamped SEMA Show Media's Choice Awards in 2025, selected by Jason Mulligan of Auto Revolution. In the program, more than 20 editors from consumer, enthusiast and trade outlets each chose three standout products from the SEMA New Products Showcase.
The module plugs into Holley's Terminator X and Terminator X Max EFI systems through a Mizu-style CAN connector and lets owners tune and monitor the engine from an iOS or Android phone over Bluetooth, without a laptop or handheld. Dealer listings describe the app as including the Terminator X setup wizard, basic and advanced tuning, input and output control, a customisable data monitor and a live dash mode that uses the phone's accelerometer for vehicle speed; tablets are not supported, and it is sold only in the USA and Canada.
Haltech's Nexus plug-in ECU for the R32 to R34 Skyline GT-R was the other engine management product recognised in the awards.