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What's the point??
..of o2 sensor holes on the catless downpipes and exhaust?? Why are the not closed at the bottom... Reason I say this is because I'm running a catless setup but can't/shouldn't run leaded race gas as not to damage these sensors that currently aren't being used for anything (faked out using o2 simms)...
If you ask why leaded, why not unleaded, many times unleaded isn't available where I am...
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