paceo 22 Posted July 27, 2014 Report Share Posted July 27, 2014 as title ive got a obd1 vr6 and over the years ive had a few obd2 vr6 guys come over! is it me or do they sound completely different to each other?? Link to post Share on other sites
Earwig 89 Posted July 31, 2014 Report Share Posted July 31, 2014 Not that I have ever noticed ? Might just be my ears though Link to post Share on other sites
VR6Pete 1,455 Posted August 10, 2014 Report Share Posted August 10, 2014 Obd2 is more responsive and pick up quicker is the only thing I've noticed and smoother pickup, I did notice some difference in sound when I upgraded my Corrado to obd2, manifold / throttle body different and no ISV. Worth while upgrade Link to post Share on other sites
UnitedMotorsport 55 Posted August 11, 2014 Report Share Posted August 11, 2014 The only things that can attribute to the noise difference is something in the air tract ( could be the intake manifold ); but is more likely that because OBD2 has a FAR better ignition control, This will be heard in exhaust note. VR6Pete and paceo 2 Link to post Share on other sites
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