These three letters have an outsized influence on tuner and import auto tradition, from Insta tags to aftermarket sections. Something from the Japanese manufacturer or with heavy Japanese influence may be described with the term, even if it would not strictly suit the first definition. JDM stands for Japanese Domestic https://jdmsubaruej20turboenginei89639.nizarblog.com/36923594/chevy-gm-6-2l-l86-v8-ecotec3-engine-fundamentals-explained