TwinTurbo.NET: Nissan 300ZX forum - Gutted pre/main cats compared to down/test pipes..
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Subject Gutted pre/main cats compared to down/test pipes..
     
Posted by residualz (SoCal) on November 14, 2002 at 1:01 PM
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Message For those who have switched from gutted pre/main cats to DP/TPs..how much of a change did you notice? I'm trying to decide whether it is actually worth it to pay $400+ for these, or just gut out the cats and save the money for another mod. Comments?

     
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