Holley EFI Terminator X Max - Gen V 4L60E/4L80E

Holley EFI Terminator X Max - Gen V 4L60E/4L80E

Marsoni

M251S

$1574.97

Get it in 3 business days with 1 day shipping. Friday, May 29

Holley EFI Terminator X Max - Gen V 4L60E/4L80EOVERVIEW Take control of your GM Gen V LT1, L83, or L86 engine with Terminator X! Do not settle for a factory ECU with a cumbersome tuning interface when you can have complete control of your engine, self learning fuel strategies and the proven, race winning technology of Holley EFI at a budget friendly price! Terminator X features real time fuel learn, an integrated 1bar MAP sensor, and four programmable inputs and outputs. The inputs and outputs are

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decent product. not as thick as typical sound deadening but definitely cheaper. and for my application, i didnt need a name brand thicker material. i am putting it on our heat and ac vent and intake pipes during our remodel. sound travels from room to room in our old house through these vents and pipes so a little sound deadening goes a long way

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Reviewed in the United States on June 2, 2026