2017 Ram 5.7 without cats?
10

Asked by GushMyGusher Aug 27, 2017 at 09:50 PM about the 2017 RAM 1500 Express Crew Cab 4WD

Question type: Maintenance & Repair

Would I be able to take the cats off of my 2017 ram
5.7 hemi and replace them with pipes or would that
make the engine run rough due to back pressure or
o2 sensors, what do I need to do to make it work
without cats

1 Answer
157,335

Bob answered 6 years ago

I would leave the cats alone and just change the exhaust from the catalyst back. Back pressure has nothing to do with it. Removing the cats will gain very little HP and will cause issues with the rear O2 sensors resulting in a check engine light. Also removing the cats will void your warranty and it is illegal.

Mark helpful

Your Answer:

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