Virginia Emissions

[lawrencecar]

Anyone with high flow catted downpipe located in Virginia (fairfax) have issue passing emissions? I dont recall if tailpipe sniffers used or just ODB2. Thanks

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[Grimace427]

OBDII is for all modern cars made after 1996 so don't expect a sniffer. Don't expect to pass with a non-factory cat either. Make sure the rear O2 sensor is active and reading before you even try.