Intake modification: The most economical air intake modification is to change the original bit high flow style, you can make the car more smoothly intake of dynamic has improved, fuel consumption is said to have declined. The key is that many large flow style can be used repeatedly to clean, but also less than the cost of doing original style. Turbocharger KitsMinimum fee: 200 yuanIgnition system: Replace the spark plug is the most direct way of high-performance ignition system upgrade. Replace the spark plug ignition platinum and other precious metals will be more stable, for the dynamic has improved, and the spark plug life is much higher than the original. Lowest cost less than 300 yuan.Electronic circuit: For electronic circuits can be modified to make the car more stable ignition can guarantee the normal work headlamps equipped with audio and other electronic. The main modification is the installation of the ground electronic circuits and regulators, both devices can own DIY, lowest cost less than 200 yuan. You can also buy the finished product, but also very affordable price, you can get a few hundred dollars. Aftermarket Auto PartsBrake system: brake conversion is an important project car modification, professionals change cars general primary change is that the brakes. But the huge brake conversion costs are not here to discuss. In fact enhance braking performance is also way to save money. For example, better quality replacement brake pads, spending a few hundred dollars to enhance performance is obvious. In addition to the brakes too hard case, you can force the installation of three-brake booster system, generally at 300 yuan.Handling performance: the installation of the front anti-side bar (top bar) can increase the stiffness of the frame, to reduce body roll, the overhead is not large, depending on the different materials are generally less than 300 yuan. In addition, an increase in the now popular spring suspension cushion gum, the price is very cheap but can be strengthened for the spring to improve the handling of the car.Related Articles:http://traveler.co-blog.jp/annahall/220723http://annahall.metroblog.com/in_addition_to_the_external_appearance_of_the_kit