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Originally Posted by macilona  hello Christian----curious what "high flow catalytic converter" you used to handle the increased output. any check engine light issues? thanks, mac |
I don't recall the brand, but it's a fairly generic 2.5" hi flow cat. I think I may've even bought it off of Ebay when I bought my header. I did occasionally get a check engine light after long highway drives from this cat. I was able to remedy it by using a spacer between the rear oxygen sensor and the exhaust that gets the sensor somewhat out of direct exhaust flow. I briefly ran the car without a catalytic convertor at all, but it was way too loud and raspy.