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ok, i installed a set of 421 dc headers on my ex and i had to splice o2 sensor cause of where the new o2 sensor was, but ever since i did that the check engine light is on. i took the o2 sensor back off and soldered the splices, but its still on....i heard that dc makes a o2 sensor extension connector..is this tru? and if anyone has this or knows where i can get one let me know...thanks alot..myka