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Old 08-29-2011, 10:50 PM   #2
Join Date: Apr 2008
Fan#: 55603
Location: Manteca, Nor*Cal!, United States
What I Drive: White N Gold 2001 Sedan

Posts: 16
FF Reputation: 132 norcalfocus01 Excellent Standing Member norcalfocus01 Excellent Standing Member
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I know several people that have had their SVT's pass with hi flow cats. The cat back exhaust has nothing to do with smog. So what ever it is your running from the flex back is fine. So the only thing you need is either a stock cat or a HFC. Then take it to a shop that does a pre test. That will cost you about 20-30 if it fails. If it passes sweet, if not they'll tell you why and go from there.
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