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Old 01-28-2012, 06:57 AM   #2
Johnny Danger
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Join Date: Nov 2008
Location: Massachusetts
Posts: 4,810
Garage
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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