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01 Carbon/Silverstone Exhaust: Jedders-HJS high flow cats-resonator delete-Xpipe-Eisenman cans
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Discussion Starter #101
@Conundrum I have the HJS 200 cel cats from HJS Tuning PN 1116157-01
I have not had any codes related to the cats. It is important to mount the post O2 sensors as far back from them as you reasonably can to avoid codes as per their website info.
 

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Thank you @xrviz . I have searched and have not been able to find that part number linked to anything (both HJS Tunings site and FabSpeed). Do you remember where (or who) you picked up from?
 

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01 Carbon/Silverstone Exhaust: Jedders-HJS high flow cats-resonator delete-Xpipe-Eisenman cans
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2,547 Posts
Discussion Starter #103
I got them from HJS Tuning. They may have updated their line and part numbers. It's been 4 or 5 years since I purchased. I would contact them and let them know what you're looking for. You will need to know diameter of inlet and outlet pipe and hopefully they can tell you which cats they have would be adequate for passing Colorado emissions standard (not an issue in OK).
 
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