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''For the American oval track automobile racing series, see Modified racing'' A modified car is any vehicle that has been altered from its original state; most commonly with aftermarket components. A modified car is significantly altered for the purpose of appearance or for increased engine or handling performance. The process by which this is carried out is known as car tuning. Modified cars are generally modern vehicles that have been altered, and not typically hot rods. Modified cars are commonly small hatchback and coupe cars such as superminis and small family cars. File:SlingerMidMod2.jpg|Modified car (for modified stock car racing) File:Tuned Toyota Mark II.jpg|A modified Toyota Mark II (car tuning) File:A modified Car displayed in the streets of Leon, Mexico.jpg|A modified Car displayed in the streets of Leon, Mexico File:Modified hatchback in Leon, Mexico.jpg|A Modified hatchback seen in Leon, Mexico ==Common upgrades== ''For associated article see: Car tuning#Areas of modification'' A modified car consist of any of the components associated with car tuning, however common upgrades include replacing the standard factory issue wheels with aftermarket alloy wheels, usually of a larger diameter to improve the aesthetics; lowering the suspension of the car to give it a more aerodynamic, stable look by replacing the springs (often in conjunction with shock absorbers) or torsion bars; replacing the existing exhaust system with one with less gas-flow restriction, louder and deeper sound and often small improvements in performance (due to exhaust gas-flow rate). Other common upgrades include the installation of a short shifter as well as an aftermarket shift knob, or a performance oriented Weighted Gear Knob. Common non-mechanical upgrades include a cars audio system; though not performance oriented, are nevertheless a very common-place modification. This includes upgrading the head unit itself, and upgrading and/or installing additional speakers. Significant modification to a car could involve adding a fiberglass body kit to improve the aesthetics, a complete respray to a more unusual, distinctive and noticeable colour and finish, increasing the engine performance with ugraded components such as a high-flow air filter, additional components such as turbocharger, supercharger, Nitrous oxide kits, aftermarket cylinder heads or porting and polishing of O.E.M. heads which require retuning of electronics (later model vehicles - fuel injected) and modifications to vehicle sub-frames to accommodate additional horsepower caused by said changes. Traditional customizing methods, more common when modifying classic cars to create cars such as Hot rods, include roof chops, two door stretches, suicide & lambo doors, channeling and lights, trim and sheet metal from another car. Sectioning is also used sometimes. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「modified car」の詳細全文を読む スポンサード リンク
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