04 crown vic exhaust

40

Asked by Dalyn Oct 28, 2020 at 07:46 AM about the 2004 Ford Crown Victoria LX

Question type: Car Customization

Will it mess with the sensors if I cut off the rear 2 cars
and the muffler on. A 2004 crown vic?

2 Answers

ChevyMan05Hoe answered 4 years ago

Just leave the cats on, but removing the muffler won’t do anything besides making the car sound better, if it was me doing it I’ll have the exhaust cut out to the side like i did to my Tahoe, my 5.3 sounds like it has headers but it don’t.

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159,075

Bob answered 4 years ago

The rear sensors measure catalyst efficiency. Cutting the rear cats off may cause the check engine light to come on. Don't be a tool and take off the muffler.

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Your Answer:

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