Diablosport Trinity 2 EX Tuner
Fits 2011-2016 5.0L V8
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gain
no published figure
price
$749.95
install
1/5 difficulty
A tuner is a handheld device that plugs into the truck's OBD2 diagnostic port and rewrites the engine computer's settings (fuel, timing, shift points) for more power and a different feel - no tools or mechanical work needed, unlike most other mods on this list.
why this one — Comes with pre-loaded 50-state-legal tunes (so it will not fail an emissions check the way an off-road-only tune can), plus it doubles as a gauge display and can read/clear check-engine codes.
Gain shown is a no published number, not a guarantee. Price is a list price and can lag the retailer; confirm at checkout. See our affiliate disclosure.