What is J-spec?
1.
literally stands for Japanese Spec
-Parts that are domestic to the country of Japan
-Also referred to as JDM
Person 1"that bumper looks cool what is it?"
Owner " That's a J-Spec bumper"
See
2.
see
can be used as an adjective to describe anything that is exotic to Japan and Japanese car culture
look at the angle on that exhaust - it's definitely j-spec
See