Performance tuning can reveal far more than just power figures, especially on a modified Ford Focus ST. A proper test can ...

Want to inject some additional performance into your car? Performance chips are an easy way to add more horsepower and torque. If you are looking to get more power and better fuel economy from your ...

Will joined the TopSpeed team over two and a half years ago, bringing his lifelong automotive passion, writing experience, and editorial expertise along with him. Whether classic or modern, American ...

ECU tuning is one of the easiest ways to get some more horsepower out of your engine in modern cars. The ECU, or the engine control unit, is essentially the brains of the vehicle, and it controls all ...

Tuning is a trendy concept among drivers. Everyone likes modifying and improving their cars for better results, such as increased performance. However, for most, tuning costs are an essential ...

Roush Performance is part of that niche group of American aftermarket tuning companies. They are technically the same as the ...