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OBDII, 8/80 and aftermarket cats
Posted to Technical Discussion Forum on 6/7/2005 29 Replies

Hello all,

Is it actually a violation of Federal law to install an aftermarket cat in an OBDII vehicle still covered under the 8/80 cat warranty, or is it just something that shouldn't be done?

I've got a '99 Isuzu Hombre with 83K miles on it sitting in my... Login to read more.

29 Replies Received (View Replies)