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Swapping the stock CAT for aftermarket?

Discussion in 'Gen 2 Prius Main Forum' started by Jimbolimbo, Oct 4, 2020.

  1. mr_guy_mann

    mr_guy_mann Senior Member

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    It's lots of money to buy a new OE cat, but you might get much less selling it to a recycler. I usually get $25-75 for an OE cat vs $5-10 for a cheap AM cat. The Prius cat may be worth more just because it has to be better (ie more rare metals) in order to keep emissions down when the engine only runs part time. Last time I checked the government frowned on anyone selling (or buying) a used cat. If you yank all the usable parts to sell you could get more $$ if you can find buyers but the rest of the hulk won't get anything much from a junkyard.
     
    #21 mr_guy_mann, Oct 4, 2020
    Last edited: Oct 4, 2020
  2. Isaac Zachary

    Isaac Zachary Senior Member

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    Yes, if you part the car you could get more money for it. It is more work though.

    If you sell the whole car you don't normally make much money for fixing things that are wrong with it, unless you can do it very cheaply.
     
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  3. JimboPalmer

    JimboPalmer Tsar of all the Rushers

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    Well, it would all be true if you lived in your stated location.

    Since you now live in an undisclosed place, it is harder to judge. I tend to feel that badly about those trying to use a straight pipe. Aftermarket cats are illegal in CA, NY, and ME, but at least try to preserve air quality.
     
    #23 JimboPalmer, Oct 4, 2020
    Last edited: Oct 4, 2020
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  4. Leadfoot J. McCoalroller

    Leadfoot J. McCoalroller Senior Member

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    Sometimes when you sit in the splash zone, you get some Internet on you. Shake it off. ;)
     
  5. TMR-JWAP

    TMR-JWAP Senior Member

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    @mr_guy_mann

    Please sell me every OEM Toyota GD3 and EA6 Gen 2 Prius converter you can get your hands on. I'll even do $100 each. I may be able to go slightly higher if really needed....
     
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  6. Jimbolimbo

    Jimbolimbo Junior Member

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    If those are that poor guy's real numbers, he's going to be in tears soon...
     
  7. Jimbolimbo

    Jimbolimbo Junior Member

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    So are you saying an aftermarket catalytic converter is just a straight pipe? That they don't do the job that they're supposed to?
    That's important to me too and would factor into my decision.
    But since apparently the oxygen sensors will work with them, I'm assuming that they do actually do what they're supposed to...
     
  8. dolj

    dolj Senior Member

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    No, he's talking about cat eliminators aka straight pipes. You would normally use an O2 eliminator in lieu of a O2 sensor too, to keep the ECM happy.
     
  9. lexidium

    lexidium Active Member

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    Just move to the UK!
    You can use a cat that is a great deal cheaper and when it has it's MOT test, they don't test the emissions on hybrid cars anyway. :D:D
     
  10. Isaac Zachary

    Isaac Zachary Senior Member

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    In lots of places in the USA there aren't any smog tests whatsoever. Here in Colorado there are no emissions tests unless you live in the Denver area.

    Sadly, because of that there are a lot of people who delete their catalytic converters.
     
  11. Jimbolimbo

    Jimbolimbo Junior Member

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    Not an option for those of us trapped on the USA Titanic. Your country wouldn't even consider letting us in at the moment.
     
  12. The Lizard King

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    You had to edit this reply?

    :LOL:
     
  13. lexidium

    lexidium Active Member

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    You're all welcome . . . . . Apart from that guy with the funny hair :D:D:D
     
  14. Jimbolimbo

    Jimbolimbo Junior Member

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    wow bro you're 56 years old and you post a picture of a 15 year old girl's cleavage as your avatar?
    Your grandchildren must be grossed out.
     
    #34 Jimbolimbo, Oct 6, 2020
    Last edited: Oct 6, 2020
  15. The Lizard King

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    1. Learn how to quote properly
    2. You had to edit yet another simplistic post AGAIN.

    JFC. You are stupid.

    :LOL:
     
  16. Data Daedalus

    Data Daedalus Senior Member

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    The non-OEM version installed in my 2nd Gen UK Prius via my insurance company was made by a reputable EU dealer called “Klarius”.

    I did visit their web page at the time and was very impressed with what I saw.

    My Klarius Catalytic Converter will soon be 2 years old fitted - my MPG has never been better, and NO error codes or emission anomalies.

    In fact “The Spaceship” just sailed through its MOT this month - the only failures were both headlight cluster units (badly yellowed, and one had water ingress). Both gladly replaced. Hybrid check was okay, no mechanical failures. 125k so far - daily 34 mile round trip commuter.


    iPhone 6s +
     
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  17. Data Daedalus

    Data Daedalus Senior Member

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    Emissions on Hybrid cars ARE tested in the UK. The only advantage we have is that, at this time, our DMV equivalent isn’t anal about insisting on replacement OEM cats only on all hybrids.

    Non-OEMs work just fine - indeed, they’re the equivalent of the much more modern cats now installed in the latest vehicles (as OEM).
    Hence, nobody’s stealing cats out of newer vehicles.


    iPhone 6s +
     
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  18. caliwaves

    caliwaves Member

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    As a theft deterrence measure, what if you swapped oem for aftermarket, and store the oem at home (assuming you live in a state that allows aftermarket cats)? Curious if that could work as a workaround? It would be a hassle but you could swap it back once you live in a “safer” area for these cars?
     
  19. edthefox5

    edthefox5 Senior Member

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    Just swapped mine out for one off Amazon for $125. Direct fit manifold end but the pipe size was different it had a 2 inch od so they used a bushing to mate to the cars 1 5/8 od and welded it in. Was quick and easy.
    Cars runs fine no codes. I see no difference. $100 for install.

    Selling my OEM cat on Ebay its at $1000 right now. Lots of bidders probably go $1300.

    Painted my new cheapo cat with VHT orange header paint that has stayed on it has not burned off yet. Im hoping the idiots notice the paint and the bushing which is welded on the end right before the resonator right where they usually cut the pipe and realize its not an OEM cat and not tear my car up.

    I had preemptively bought a new donut gasket at the dealer in case mine was toast but mine was fine so were the bolts so everything was re-used. The donut is $86 at the dealer. I returned it.
    The donut that came with the cat was a joke.

    But all in all really easy.
     

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    #39 edthefox5, Nov 29, 2020
    Last edited: Nov 30, 2020
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  20. Isaac Zachary

    Isaac Zachary Senior Member

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    Emissions aren't usually visible.