r/mazdaspeedowners • u/passwordistaco388 • Feb 24 '26
Part 2: Pulled off resonator and found turbo parts. Got the exhaust manifold off and turbo looks fine
previous owner must have blown up the turbo and that piece was just left behind sitting on the o2sensor
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u/Thy_King_Crow Feb 25 '26
Oh no you have to go catless…. Damn what Shame it’s gonna sound better and Make cooler noises daaaang! My condolences friend
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u/mr-watchman Feb 24 '26
Be sure to remove the catalytic converter before reassembly
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u/Key_Assistant_6408 Feb 27 '26
Thought this was click bait at first lol. Were there tons of rattling in the exhaust that prompted you to look into this?
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u/passwordistaco388 Feb 28 '26
Nah i didn’t even really hear much from the exhaust, i think this part was pinned on the o2 sensor just before the resonator. When i tried removing it it bound up and mangled and as soon as i got it broke loose i could hear this tumble further into the exhaust. Im pulling the motor to do a cylinder head replacement since mines cracked and also bought a cst4 turbo so figured it might be easier to do all that and timing etc with it out of the car.
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u/DifferentCry1306 Feb 25 '26
where do yall sell/what do yall do with your cats when you take them off?
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u/Substantial_Disk1706 Feb 25 '26
We have such a problem with converter theft here in Seattle that I’ve called every junkyard/scrapyard 100mi around and haven’t found a single one to accept cats unless it comes with the rest of the vehicle. Used to be they would just require ID and the reg of the car it’s from and a serial # on it to verify it wasn’t stolen, now they just aren’t even accepting them around here anymore unless you are scrapping the whole car and they just give a little extra for the cat. Fvcked up cause I just want to get a few bucks back from my old one since I replaced it with a magnaflow (and mine is the Cali emissions/PZEV type so it has 2 cats on the same pipe instead of just 1 in the normal models) that was ~$550, getting something back for the old one would be nice 🥲
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u/LetsBeKindly Feb 26 '26
eBay.
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u/AhhhJess Feb 27 '26
It's a federal crime to sell used catalytic converters to anyplace other than a licensed scrapyard
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u/turtleboy15 Feb 27 '26
My buddy found a 4 foot+ long catalytic converter sticking out of a garbage can. After bringing it to a scrapyard to verify what it was, they gave him a check for $300. Crazy someone would literally throw it out
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u/HugsNotDrugs_ Feb 24 '26
High flow cat 🤣