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While we're at it, another question about what can be removed:
I already replaced rear muffler to save weight, but I haven't yet pulled the cats (either primary or secondary). If I replace all that with a race system, do I need to retain O2 sensors or is that just for emissions? I think it's used for driving air/fuel ratio, so should be looking for race exhaust systems that still have O2 connections? Or is A/F only driven by MAF?
I hadn't thought of evap & SAI delete, will have to add those to my project list to go after. Is there any blocking off of or rerouting needed? ie. do I need additional parts to replace with or can I strictly just remove parts?
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