JDM dc2rs are rated at 200hp whereas AUDM dc2rs are detuned a bit to 187hp. Most likely due to lower octane fuel and also the different header design. Oh and also the larger cat due to different emission requirements.
Apart from what Jim8oy mentioned, I can only remember JDM 98spec has HIDs standard.
JDM 96spec had smaller brakes and 4 stud (4x114.3) 15" wheels. Brake size AUDM is the same as 98spec.
what i think is the downgrade of all is getting rid of the Jap DC2R front lights and putting round lights on. the round lights aren't that bad but honestly the JDM ITR front headlights are the best headlights i ever seen if not top 3 of any car on our streets
Just to clarify, the JDM DC2 has 147kw (both the 96 spec and 98 spec).
The power difference is not due to the header design because the 98spec had the SUS 4-1 but did not make any more power than the 96spec which has the cast-iron 4-2-1 piece (which is the same as AUDM). The header only brings out peak torque in an earlier RPM range. As far as I know it is the tuning of the ECU.
The different front end design is partly because of pedestrain crash/safety standards bull crap. Apparently the Acura front end hurts less for crash victims, also it has a significantly thicker front impact absorbing bar (whatever its called) compared to the JDM front end for more safety.
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