tuner
A tuner is a gadget that changes how your car's computer runs the engine, so you can get more power or better fuel use.
A tuner is an aftermarket device or software that modifies a vehicle's engine control unit (ECU) settings to alter performance characteristics such as power, torque, or fuel efficiency.
Hear It Discussed
"had the tuner that was used to reflash that, then if it was legal, then they would put it back to stock and then reflashed again with the same tuner if that was possible."
Under The Hood - LIVE Show Automotive Experts Giving You Advice Under The Hood show
"one of the biggest things that we see from our product registration data is that people gravitate towards a tuner or a chip per increased fuel economy"
Ron Ananian, The Car Doctor - Classic Car Doctor - September 19, 2015 - Hour 1 Ron Ananian The Car Doctor
"So the Evo is still at the tuner. The Evo did 397 horsepower at the wheels,"
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