Do tuners really work?
Christopher Davis
Updated on May 13, 2026
The short answer is “yes,'' but a longer explanation is in order. While manufacturers of aftermarket performance products claim tuners can add 3-4 mpg, the actual savings, if any, largely depends on how and where you drive. By definition, performance products are designed to increase engine output.
Do car tuners really work?
Because this practice continues to be widely spread, it brings many of us to question, “Do performance chips work?” The answer is yes. Performance chips provide a substantial boost in torque output and overall vehicle performance.Are performance tuners worth it?
The bottom line is that high-quality engine performance tuners are absolutely worth the money. The shift firmness on its own makes this a great investment. By retuning your car's engine for performance, you'll boost torque and gain increased power output.How much horsepower will a tuner add?
For a general stock car (i.e. no additional performance parts), a tune will boost your hp by 10 to 15 percent. What's more is that if you've added performance parts to your vehicle such as cold air intake, exhaust, or turbo, the hp boost you gain from tuning may be as high as 50 percent more!Are there any performance chips that actually work?
Editor's Pick: Power Tune Performance Engine Tuning ModuleThe Power Tune Performance Engine Tuning Module is in the most basic class of modern tuning devices. It works similarly to the old school performance chips.
TUNING | How it Works
Will a performance chip damage my engine?
A performance chip does not cause damage to your engine or transmission as it increases the horsepower and torque output. This power is generated mainly by harmlessly adjusting your air/fuel ratio and ignition timing to optimal settings. In fact, a performance chip can even protect your engine from damage.Which tuning chip is best?
The Best Performance Chips, Power Programmers & Tuners
- Jet V Force Plus Power Control Module.
- DiabloSport Trinity 2 EX Performance Programmer. ...
- Edge Evolution CTS2 Programmer. ...
- Jet Performance Chip. ...
- Bully Dog Triple Dog GT Tuner. ...
- Jet Performance Power Control Module. ...
- Hypertech Max Energy Programmer. ...
- Edge Evolution Programmer. ...