Quote:
Originally Posted by elp_jc
First thing to remember is it's a federal offense to remove cats, so they'd be fully justified to cancel warranty on that alone.
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This is not correct. In the event of a warranty claim refusal they would have to prove that the cat removal was the cause of that particular failure by law under the Magnuson-Moss Act.
The Federal offense is a separate issue.
Quote:
Originally Posted by elp_jc
But the kicker is no cats require tuning to remove the CEL, so no CEL means you're tuned. And a tune can void your entire powertrain warranty.
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Also incorrect. Innotech bypass pipes for example, do not require a tune to prevent the SES light for catalyst inefficiency.
The Akropovic delete-r also prevents the SES light without a "tune".