Whats the difference
2nd Gear
Joined: Aug 2008
Posts: 695
From: New England
Well to answer that you have to understand how catalytic converters work: http://en.wikipedia.org/wiki/Catalytic_converter (They clean crap out of the exhaust).
The california ones just have a higher standard which means that the exhaust will be cleaner.
The california ones just have a higher standard which means that the exhaust will be cleaner.
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