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Old 11-12-2011, 11:54 PM   #5
Sonyps307
Lexus & 550's
 
Join Date: May 2010
Location: Baltimore
Posts: 526
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The NA's only have one cat and the turbos have 2 cats. Unless the car is from cali then it would have 2 cats. I think the vsv under the intake has something to do with smog. But Im not sure.
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