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post #1 of 8 (permalink) Old 08-21-2011, 11:38 AM Thread Starter
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WTB: Thunderbird catalytic converter (or swap for gutted)

I'm looking for a cat for a used bike I'm buying! Its a 2010 Thunderbird SE and has ABS (Which I think requires a different cat?!). It has one on there, but the fellow gutted it. I'd like to return it to stock. Anyone have one lying around for sale, or perhaps would like to trade?

Any idea what this costs new?

Last edited by Sub; 08-21-2011 at 11:43 AM.
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post #2 of 8 (permalink) Old 08-21-2011, 12:01 PM
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The cat is.........gulp.........$663 ! But i have no doubt you will find a willing trader. If not right away, eventually. However, does the bike have stock exhausts or tors? From what i hear a gutted cat and stock exhaust sound better than tors and stock cat and is about the same loudness which is not a lot but better than stock. And if you run the tors tune you may get a simiar increase in power like with tors and stock cat.

As for different cats, i'm quite sure they all use the same cat even the 1700. And even if there were different ones, the ABS has zero reason to have a different cat than the non ABS.
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post #3 of 8 (permalink) Old 08-21-2011, 01:45 PM Thread Starter
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Hi Dazco, It a factory 1700 SE and has the short tors and factory performance air filter and although it sounds incredible, I'm experiencing a bit a backfiring. I am not sure what tune is on it, but I know its a Triumph one. The owner brought it to a dealer and they played with the available tunes until they found one that "worked" - I think they chose "tors with water pipe" or something like that?! It runs great - no hesitations or lagging, and its fast, but on throttle off it gives quite a large backfire sometimes. I don't mind a bit of backfire for character, but this is a bit loud for me.

Now I'm sort of thinking about it, is my problem just the tune? Is there a map available for a freer flowing air filter, no cat and short tors? Is that likely to fix the backfiring?

I thought I read somewhere that there is a control box or something that required the cat to be smaller or shaped a bit different on ABS models. My memory sort of sucks, so I may be confusing it with something else.
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post #4 of 8 (permalink) Old 08-21-2011, 05:08 PM
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Depending on how it was gutted That alone could be your problem with the backfireing. I would doubt that they have a factory tune for any T-bird with the cat gutted like an empty box (creating wierd exhaust flow)

I would make a real crossover pipe and remove the cat altogether or replace it with new and would be willing to bet the backfire would go away.

I just got my new Thunderbird yesterday and only on hard deacceration does it give any hint of a noise that could be confused with a backfire!(note I said could be confused not is a backfire)

It has factory installed big bore, short tors, the upgrade filter and programming I really cant see any reason to mess with the tune it has The bike is a pleasure to ride and always very responsive no matter what I'm doing.
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post #5 of 8 (permalink) Old 08-21-2011, 05:09 PM
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I have a stock cat I could sell you for a 2010 thunderbird but it did not come off of an SE.
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post #6 of 8 (permalink) Old 08-25-2011, 10:51 PM Thread Starter
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Does anyone definitively know if the abs bikes have a different cat? I thought I recalled the ABS bikes reshaping the cat because of the control module or something.
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post #7 of 8 (permalink) Old 08-29-2011, 12:35 PM
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Sub, find out for sure if the CAT is different from standard to SE - simple call to the parts dept. at your local dealer should be able to tell you when they look up the part number in their computer. I have a Standard model cat that only has about 3,000 miles on it. I also have the factory pipes in premium condition. Daz would know for sure as he runs the shorty TORS - but you may get some backfiring even with the shorty TORS - the only way I know for sure to get rid of the backfiring is go back to the factory Tune - which I would never reccomend. However with the Factory long pipes the backfiring would be so muffled it would just sound like fluffy nuggets - let me know if you are interested in either - I can send you pictures as well.

---Daryl

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post #8 of 8 (permalink) Old 08-30-2011, 05:36 PM Thread Starter
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Quote:
Originally Posted by TBird Daryl39 View Post
Sub, find out for sure if the CAT is different from standard to SE - simple call to the parts dept. at your local dealer should be able to tell you when they look up the part number in their computer. I have a Standard model cat that only has about 3,000 miles on it. I also have the factory pipes in premium condition. Daz would know for sure as he runs the shorty TORS - but you may get some backfiring even with the shorty TORS - the only way I know for sure to get rid of the backfiring is go back to the factory Tune - which I would never reccomend. However with the Factory long pipes the backfiring would be so muffled it would just sound like fluffy nuggets - let me know if you are interested in either - I can send you pictures as well.
Ok, I'll check it out. I am trying to tune the backfiring out for now.. We'll see how it goes. I may still revert back to a standard cat.

Now I wonder if the Cat really does help that much with HP...
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