that o2 sim goes in the rear o2 so it fools the pcm to not set the po420 code. aka post cat.
no emissions, get a high flow cat off ebay for like 50 shipped and do the sim trick.
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that o2 sim goes in the rear o2 so it fools the pcm to not set the po420 code. aka post cat.
no emissions, get a high flow cat off ebay for like 50 shipped and do the sim trick.
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