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i ordered some long tube headers and am wondering about the stock cats.
i know on an aftermarket hi flow cat for my car i can see thru the honeycomb assembly, so if my stock cats are still useable, not plugged , i shud be able to see light through them right?
i realize i will have to extend the wires for o2 sensors and redesign the piping but stock cats are useable as new ones are 350 bucks plus a piece and this after market one for my car was only 70
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