Thoughts on Deleting catalytic converts

JWilly1989 said:
What’s your thought on deleting the cat on a 2007 Wrangler. My state doesn’t require inspections and I’m thinking of ditching them.


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My understanding is that the 3.8 needs a certain amount of back pressure to operate correctly, so I wouldn't delete them unless you're gonna take it to a tuner to reprogram the computer to deal with the change.

That being said, I'm no professional so maybe someone else here knows better.



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Well I don't think you could ever legally sell it without cats, and heard the possibility of a garage holding it until cats are replaced if it had to go into a garage for something.

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Snboarder113 said:
Are they bad? You really don’t gain anything on a slowpoke v6 by dumping them.


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The only issue is the additional heat it adds to the engine by somewhat restricting the out flow. A lot of the “super cars” have gone to a two stage cat to increase flow. It could probably make a difference on squeezing a 6.2 LT or Hemi in there where heat is already a big issue. But not a 3.6.

I’m pretty sure at a certain age of the vehicle, cats are no longer required. No that this matters fir his jeep.


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1985 CJ8 Scrambler
 
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