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Question: so if you dont get the high-flow cat, you need the o2 sensor? and the o2 sensor has to be welded on?
Its just cuz i dont like the notion of having something permanent just in case i want to ever go back to stock.
I know what you mean. If you weld in the right position you can swap the O2 sensors from the extension back to the stock position. Just cover the unused bung hole with the caps that come with the PPE kit. It won't look stock but....just sayin'
Also, anyone holding out for Sikky headers, they emailed me today and told me they ditched there prototype bc. they didnt like the results so they are starting new again, would be at min. 6 mths prob more.... im ordering the PPEs......
I am looking to put these headers on, but want to be prepared for any problems I run into prior to doing this. What high flow cat did you have to put on to resolve the O2 Sensor issue? Or just any will pretty much do?
PPE sells the High Flow Cat too.. that's the one I used.