Japan domestic market
From Wikipedia, the free encyclopedia
The term JDM Japanese domestic market (JDM) is used to describe Japan's economic market for Japanese-brand goods, chiefly automobiles and parts. A similar term, United States domestic market (USDM) is used for US-market, US-brand goods.
In recent years the popularity of JDM auto parts within the United States and Europe has grown significantly as a result of the import tuning wave. Part of the reasoning behind this can be attributed to drifting, a Japanese motorsport phenomenon that is gaining worldwide interest.
JDM vehicles often differ in features and equipment from vehicles sold elsewhere. For example, Honda has produced many different versions of the B18C, B16B, and K20A engines for various markets worldwide. Generally, engines intended for use outside Japan have been detuned because Japanese Gasoline (Petrol) is of a higher octane rating than is generally available in the United States.
There are safety hazards associated with using JDM headlamps in countries where traffic flows along the right side of the road, because JDM headlamps, engineered for use on the left side of the road, fail to light the right-side driver's way safely ahead while blinding oncoming motorists. Nevertheless, primarily due to their rarity, JDM headlamps are quite sought after.
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