Safe Speed Forums

Can't see the problem myself. I guess the judgement will be made on how it performs in the standard EU drive cycle? OK, so you have a vehicle which, when driven on the standard drive cycle meets those criteria...

...and when you put your foot down...

Performance cars already do that with the EU noise test. The car passes the noise test (over the engine speed range used in the test) - and then exceed it when you give them some pain higher up in the rev band. Simple! Bikes have been doing it for years!

Yes, my car has valves in the exhaust which open over 4000 rpm.

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Malcolm W.
The views expressed in this post are personal opinions and do not represent the views of Safespeed.