Quote:
Originally Posted by 93.5_JDM_MK4
anyone know if installing a 1st cat delete pipe replaces the section where the 1st 02 sensor bolts in, or if it bolts on to the flange after the 1st 02 sensor.
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1) It bolts on to the flange after the 1st O2 sensor
2) If you're going to ask a question unrelated to the thread you're reading, please start a new thread! Thanks in advance.