Ive got a matrix xrs with 92k miles on it and the catalytic converter started going bad around 70k. Just so you guys know, don't ignore it because its federal law for them to replace it before 80k miles. I was not aware and I ignored this. The problem with these cat's is that they are welded in there and they are one of a kind. You cannot find them anywhere in the world except at a toyota dealership and they will charge you $1300. I found one at some specialty muffler website but it wasn't 50 state legal. Thankfully the matrix is a ulev vehicle so itll be a very long time before it is no long emissions legal. Basically the cat's will start not heating up enough to burn off the exhaust particles. So if it happens to you guys, and if youre looking for performance, you might as well buy the DC headers, cat-back exhaust and a aftermarket catalytic converter and have it custom done like I will need to. Itll be cheaper anyway.
Most of that cost is because they're charging you for the entire midpipe. And yeah, the cat and midpipe is one piece.
Toyo Tech, ask your parts dept. about it. I remember inquiring about it and it IS an insane cost. I can't recall how much they quoted me but I do remember that it was between $700-1000CAD for that entire part.
Yes, the dealer costs are extremely high on not only this car and other Toyota’s. More then one TN member has posted about the costs. Many car owners have had the old one cut out and a universal type or close fit put in using either clamps or welding. Does Colorado actually inspect the car, or just run it on a dyno?
Check past TN threads on this subject, it has come up many times before, along with the high Toyota costs.
Well if anything, Ill just do a completely custom exhaust system. I had the entire exhaust system spec'd and it is actually extremely restrictive. I found out why too. The intake to the cayalytic concverter is 1 1/2 inches. The output is SMALLER, its 1 1/4 of an inch wide, this further restricts air because the air gets superheated in the cat and needs more to vent, but it doesn't. Toyota used this technique to increase the temp in the catalytic converter, hence why the matrix's are ULEV vehicles. Either way, I will just buy the DC headers, throw in performance exhaust and cat and It will still come out cheaper. Either way, my cat is still good, the sensor that toyota calls an o2 sensor that is place after the CAT isnt actually an o2 sensor. I found out its just a thermometer that makes sure that the cat is heating up to the appropriate temp. So my cat is still working enough to pass inspections, it just might not be at ULEV levels, but definately LEV.
just delete the damn cat...screw emissions, we're all gonna die anyway might as well have fun with your car while on this earth
And by the way, there was an article in a sport compact magazine about stock cat, no cat, and high performance cats and the performance gains, and the performance gain from just having a straight pipe was 3 hp and the high performance cat was only 1 hp
Normally they'll "last" untill they rust or fall off, but after so many miles they begin clogging and affecting performance. Its so gradual though that you dont notice it....until you install a new one...
Either way, my cat is still good, the sensor that toyota calls an o2 sensor that is place after the CAT isnt actually an o2 sensor. I found out its just a thermometer that makes sure that the cat is heating up to the appropriate temp. So my cat is still working enough to pass inspections, it just might not be at ULEV levels, but definately LEV.
Someone is lying to you friend that IS an O2 sensor and it measures the amount of oxygen in the exhaust stream to help the vehicle to determine if it is running rich/lean etc. It is not a thermometer.
Well thats what the tech told me, I know the sensor between the engine and the cat is an 02 sensor, so is that what youre thinking of, because theres two of them, one before and after the cat
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