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Magnaflow Catalytic Converters

2K views 8 replies 4 participants last post by  12listen4 
#1 ·
I'm about to order my cats. I know which one is bad but since i'm getting it done do i need to replace all of them if so how many do i need. Do you replace the pre cats also. Please let me know how many i need. Really plan on doing it this weekend.

These are the ones i'm looking at: http://www.overnightautoparts.com/pe...5&brandid=2175
 
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