there are many diffrent ways to help improve your cars performance, from getting a computer tune or just improving the airflow to the cars engine. Now knowing what you drive or what your budget is makes it a little difficult to answere, I would check out www.mpcustoms.com i have done business with them for awhile now, but I would definitly look in to an air intake first.
A couple things to consider typically: Cleaning fuel system and injectors; replacing air filter with a performance air filter; replacing spark plugs with recommended performance brands; using fully synthetic motor oil; using higher octane-rate gas... As it was already said, specific problems might need specific answers and every model and make may need various solutions. If there is a specific problem needed answer, you may need to clarify your question.
Yes, tuning a car does increase its performance. By buying parts and tuning a car up, the performance goes up as well. If a person would tune up the engine it would possibly increase the car's horsepower thus increasing its performance.
You can add a high performance air intake to give it more horsepower
a device that increase speed on a car..
Step on the accelerator.
Yes, speed exercises can and will greatly improve typing performance. It allows for practice and will help you to be come more proficient. It is a great way to increase your typing speed.
because that's all an engine does when you step on the throtle increase your air and furl intake performance parts such as power chips just dump more fuel and air into the engine
Overclocking
Overclocking
Depends on the car. Being an import in itself does not indicate the performance specifications.
Probably a worn or loose belt
I am not sure what computer you are running but if you go to control panel and then performance you can choose what you need to increase your computers speed.
Exhaust wrap is used to increase the performance of your engine. This wrap can be used both on motorcycle and car engines and has been proven to increase the performance of both.