How long does a catalytic converter last? - Page 2

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Thread: How long does a catalytic converter last?

  1. #16
    Supporter redbaron224's Avatar
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    Default Re: How long does a catalytic converter last?

    I have a 2000 Access Limited V8 with 200,000 miles on it. About 195,000 miles we watched the "check engine" light up while on vacation 800 miles from home. Code? Bank 2 cat losing efficiency. After we got back home had Bank 1 Sensor 1 failure. What's next????? :sheesh:

    Been driving it with no major problems but must replace cat and sensor before the end of May due to annual inspection needed. :-(

    OEM Cat = $1,120
    Aftermarket = $350
    eBay = $45 + $35 core charge refunded when they get old one back.

    I'm still not complaining. This is the most repair expense I've had in 200,000 miles. Best vehicle I've ever owned.

    Oh, yeah, to answer original question.... I wouldn't replace them until they fail! Why waste your money?
    My Ride: White 2000 Tundra Limited Access Cab, V8, 4WD, TRD with 267,834 miles
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    Wife's Ride: Gray 2010 Sequoia Limited, 5.7L, 4WD, with 61,104 miles
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  3. #17
    Veteran Member Marauder's Avatar
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    Default Re: How long does a catalytic converter last?

    Magnaflow cats are good replacements, they are higher flow and OBD2 legal, and not that expensive. If you want, you can just buy a larger diameter to match your exhaust setup and have a muffler shop weld it up to your system.
    2006 Tundra Access Cab V8 - TRD
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    Junior Member ounagi's Avatar
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    Default Re: How long does a catalytic converter last?

    Hi,

    I would love to go non-oem and save myself some money, perhaps on a magnaflow catalytic converter. However, I hear mixed reviews which seems to suggest I should pay more and just go OEM. What are your thoughts?

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    Default Re: How long does a catalytic converter last?

    Quote Originally Posted by ounagi View Post
    Hi,

    I would love to go non-oem and save myself some money, perhaps on a magnaflow catalytic converter. However, I hear mixed reviews which seems to suggest I should pay more and just go OEM. What are your thoughts?
    I was told by Magnaflow , their old CAT systems didn't all work on the Tundra As they threw check engine lights. When the truck's ECU does a check it is supposed to do whatever to make it "happy" doing whatever the material Cerium does that is in the stock OEM cat converters.

    The newer released/upgraded Magnaflow CATS are supposed to be better and offer a solution to these earlier problems. I would have bought them , but they weren't in stock at the time. If going stock OEM .... be prepared to pay heavily for a pair of them. 1400-1600+ large.
    2003 Toyota Tundra V-8 Access Cab, 4.7L 4x4---(TRD supercharger removed....For Now)
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    Default Re: How long does a catalytic converter last?

    Look in Jegg's or Summit racing for some universal fit high flow cats.
    Doug Thorley ceramic coated headers, SOS high flow Y pipe, Doug Thorley cat back exhaust, K&N drop in filter, Rev-Tek 2.5" lift kit, diff drop, Goodyear Wrangler's 275/70-17's, Dynoed @ 245rwhp

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    Default Re: How long does a catalytic converter last?

    Quote Originally Posted by jamesjr4750 View Post
    I was told by Magnaflow , their old CAT systems didn't all work on the Tundra As they threw check engine lights. When the truck's ECU does a check it is supposed to do whatever to make it "happy" doing whatever the material Cerium does that is in the stock OEM cat converters.

    The newer released/upgraded Magnaflow CATS are supposed to be better and offer a solution to these earlier problems. I would have bought them , but they weren't in stock at the time. If going stock OEM .... be prepared to pay heavily for a pair of them. 1400-1600+ large.

    A few years ago I paid right at $1600 to have my driver's side catalytic convertor replaced by the dealer parts+labor. I had read numerous comments about aftermarket cats not working in our trucks and felt that the OEM was my only choice. Additionally, by having the dealer do it, if anything went wrong the dealer would be liable and not me. I was not interested in doing the work myself in the event anything went wrong (faulty cat, incorrect installation.)

    I just looked at the magniflow cats for my truck and they are over $1,000. Even though that is a little less than OEM replacement I would still go OEM simply because of compatibility and warranty concerns.

    To date, the passenger side cat has never been replaced on my truck and has over 200,000 miles on it. The driver's side went at around 140,000 miles (I think?)
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