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Old 02-16-2013, 12:23 AM   #551
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Originally Posted by JProberts View Post
But those failed on you correct? I did not see any ceramic cats on the SLP online store under the 2010 Camaro section, and none that mentioned supporting supercharged cars.

This is what I see. Not sure if they will hold up. I emailed SLP some questions.

http://www.slponline.com/view_produc...sp?P=301134001
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Old 02-16-2013, 12:27 AM   #552
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Any updates on the high flow aftermarket cats for blown cars??? Kinda surprised that no one has posted anything about this in a month since it seems like a big deal for a lot of people here.
Still no issues with ARH's Hiflow Cats. Mid 650's rwhp after 6k+ top end mod (16+ after FI ARH Headers,Cats install at 520+ rwhp) Will be checked again here in a few weeks.
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Old 02-16-2013, 10:42 AM   #553
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Still no issues with ARH's Hiflow Cats. Mid 650's rwhp after 6k+ top end mod (16+ after FI ARH Headers,Cats install at 520+ rwhp) Will be checked again here in a few weeks.

Trying those next.
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Old 03-06-2013, 07:07 PM   #554
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They're coming fellas. Got some really good test results
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Old 03-06-2013, 10:06 PM   #555
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Had mine checked today ,I am running ARH long tube headers with ARH hi flo cats ,car has maggie installed and tuned by Charlie at RPM in Santa Clarita CA muffler shop took off o2 sensors put a scope in the hole everything was perfect front and back have had maggie on for 3 years with 575 hp also running meth ,I think it comes down to the tuner if he knows his stuff your good if not possible meltdown !!!!!!
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Old 04-03-2013, 02:22 AM   #556
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Had mine checked today ,I am running ARH long tube headers with ARH hi flo cats ,car has maggie installed and tuned by Charlie at RPM in Santa Clarita CA muffler shop took off o2 sensors put a scope in the hole everything was perfect front and back have had maggie on for 3 years with 575 hp also running meth ,I think it comes down to the tuner if he knows his stuff your good if not possible meltdown !!!!!!
....And how much boost you're running/margin of safety in the tune for the engine vs margin of safetly for the cats which are way less expensive to replace.
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Old 04-03-2013, 11:25 AM   #557
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Quote:
Originally Posted by tlamb2 View Post
Had mine checked today ,I am running ARH long tube headers with ARH hi flo cats ,car has maggie installed and tuned by Charlie at RPM in Santa Clarita CA muffler shop took off o2 sensors put a scope in the hole everything was perfect front and back have had maggie on for 3 years with 575 hp also running meth ,I think it comes down to the tuner if he knows his stuff your good if not possible meltdown !!!!!!
The METH is a Great Coolant for the Cats.

Remember Fuel Cools the Cats to keep them from Melting

Fuel pumps that can't keep up and injectors that are Just big enough to meet the power goals will not allow enough fuel for COT to work Properly.

COT Needs to be able to drop the AFR to 9.8:1 to cool the Cats, IF there is enough injector and fuel pump to support that much fuel demand.

In order to have 11.5:1 AFR For an entire Quarter mile or longer COT would have to be turned off or have a MAXED out the fuel supply with it On were it can't reach COT Fuel demands.

So the only way it is the Tune and everything else is Right, is IF COT is turned off.

We never turn it off with Cats in place.

Why are the cats getting so Hot?

2 reasons, they are too small for Supercharged Apps and the fuel supply is not capable of supporting COT Fueling.

Ted.
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Old 04-03-2013, 11:34 AM   #558
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my cats are doing great after like 11k miles supercharged. They are in my shop floor. LOL I bought JBA deletes from Ted!
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Old 04-03-2013, 11:50 AM   #559
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$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ Check the Price of the cats for the ZR1 or CTSV
and a lot of my road race zr1 customer eat up the cats, on factory tunes on the road course... zr1 cats arent big at all, essentially ls7/ls9 cats are the same...
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Old 04-03-2013, 11:52 AM   #560
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Quote:
Originally Posted by tlamb2 View Post
Had mine checked today ,I am running ARH long tube headers with ARH hi flo cats ,car has maggie installed and tuned by Charlie at RPM in Santa Clarita CA muffler shop took off o2 sensors put a scope in the hole everything was perfect front and back have had maggie on for 3 years with 575 hp also running meth ,I think it comes down to the tuner if he knows his stuff your good if not possible meltdown !!!!!!
what ever brand arh uses for cats are pretty decent... i havent had much issue with the cats coming apart with theirs, that is not to say it wont happen. In addition running meth really reduces the EGT's
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Old 04-03-2013, 05:19 PM   #561
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Old 04-04-2013, 03:50 PM   #562
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Old 04-08-2013, 10:49 PM   #563
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I have the BBK LTs with HF cats....I installed the offroad cat deletes briefly, but did not like the sound or the smell...According to BBK, they've had no reports of their cats failing under boosted apps...so I've reinstalled the cats...I'm hoping that the correct tune with sufficient fueling will keep my cats from melting...
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Old 04-10-2013, 03:47 PM   #564
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This is NO JOKE GUYS! Anyone who is blown needs to seriously take a look at the cats... I'll get someone that knows more to comment in here...

I had mine in the shop the last couple of days for other work and after reading several of these posts, I asked them to check them and sure enough they were starting to melt and come apart. I was very close to complete blockage. Some of the good information on the forums has saved me a lot of headaches.

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Old 04-10-2013, 04:08 PM   #565
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Just remove your cats ^. And you'll lose between 30-40hp.
Lose? I would think less restrictive air flow = More horses??
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Old 04-15-2013, 06:14 PM   #566
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Alright guys, my boss has asked me to get some info from people that want to be testers. Our information we had already gathered was lost due to our server going down and they couldn't recover it. We are about to begin preliminary production and need longevity testers. The cats will be free to you, alls we ask is that you give us feedback in them and if they fail on you to please send them back so we can make changes to the coating. I you're interested, please fill out the form and pm it to me. Thanks guys!

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Old 04-16-2013, 01:49 PM   #567
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can this happen in the OEM CENTER MUFFLER and rear to??? I run LT with NO cats but my cat back is STOCK, and know im worry about melting the center muffler or other parts to.

Thanks

PD: is clear for me if you want SC you dont have to use cats......
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Old 06-02-2013, 12:13 PM   #568
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When deleting or gutting the cats, do you need to tune out any codes?
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Old 06-02-2013, 12:35 PM   #569
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A tune cures alot.
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Old 07-05-2013, 10:59 AM   #570
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Originally Posted by JANNETTYRACING View Post
The METH is a Great Coolant for the Cats.

Remember Fuel Cools the Cats to keep them from Melting

Fuel pumps that can't keep up and injectors that are Just big enough to meet the power goals will not allow enough fuel for COT to work Properly.

COT Needs to be able to drop the AFR to 9.8:1 to cool the Cats, IF there is enough injector and fuel pump to support that much fuel demand.

In order to have 11.5:1 AFR For an entire Quarter mile or longer COT would have to be turned off or have a MAXED out the fuel supply with it On were it can't reach COT Fuel demands.

So the only way it is the Tune and everything else is Right, is IF COT is turned off.

We never turn it off with Cats in place.

Why are the cats getting so Hot?

2 reasons, they are too small for Supercharged Apps and the fuel supply is not capable of supporting COT Fueling.

Ted.
I had clogged cat, replaced with off-road section for the time being. How imperative is it to get a re-tune? Should I limp it around until my speed shop is able to squeeze me in?
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Old 07-05-2013, 11:02 AM   #571
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I had clogged cat, replaced with off-road section for the time being. How imperative is it to get a re-tune? Should I limp it around until my speed shop is able to squeeze me in?
As long as your not getting CEL you will be fine for the time being.

The worse case is that it is Rich at WOT if COT is still ON.

Which it could be off if you lost a cat.

Ted.
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Old 07-05-2013, 06:43 PM   #572
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Where are these cats? It is going on 2 years, I think, since they were coming.
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Old 07-06-2013, 08:49 AM   #573
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Where are these cats? It is going on 2 years, I think, since they were coming.
Good thing I didn't hold my breath I would have been dead a long time ago.
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Old 08-22-2013, 12:39 AM   #574
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15# of boost + 3rd&4th gear (legal) WOT runs + unbranded/cheap 100cpi metal cats = carnage

I'm glad it happened during data logging runs - I think we even captured the moment when it melted and twisted....
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Old 12-05-2013, 03:44 PM   #575
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Noticed exhaust only exiting on the passenger side pipe. This is what the shop found inside the drivers side exhaust. Now catless. The other cat was not present so we think it made it all the way through the system or disintegrated.
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