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Old 03-17-2002, 05:33 AM   #9
Tom_S8
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Quote:
Originally posted by Q..
I was always under the impression that the smog detuning was done via the camshafts & engine management.......
I don't really know how the manufacturers do it , but f.e there is one porsche 959 in the US , and it has a whole new exhaust system , i had the link to the page somewhere but i can't find it now....
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