For Any expression with these kinds of outsized significance in automobile culture, "JDM" is definitely an acronym for a reasonably dull phrase: Japanese Domestic Market. It refers to goods built and supposed for sale and use inside of Japan (i.e., not for export). This contains every thing from cars such https://elevemotors.com/product/toyota-2jzgte-vvti-engine-3-0l-dohc-twin-turbo-jdm-2jz-motor-auto-trans-wire-ecu/