Quote:
Originally Posted by Johnny Danger
As you probably know, 2.7 and 3.2 boxsters have two sets of cats. The secondary cats can be removed, and the vehicle will still remain OBD II complaint. We have pretty strict emissions standards here in Massachusetts, and my vehicle (sans the secondary cats) passes with flying colors every year .
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+1 ^
However, if you have an earlier car (1997-1999) you are likely to fail emissions testing.