performancetuner
nounUK /pəˈfɔːmənstjuːnə/
US /pərˈfɔːrmənstuːnər/
A person or tool that makes a car or computer run faster and better.
The mechanic used a performancetuner to make the race car go faster.
OTHER MEANINGS
2. A device or program that improves how well a machine works.
He plugged the performancetuner into the laptop to speed it up.
3. Someone who adjusts settings to get the best results from something.
The performancetuner adjusted the bike's gears before the big race.
4. A setting or feature that makes a game run more smoothly.
She turned on the performancetuner to stop the game from lagging.