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Old 07-16-2011, 11:00 PM   Thread Starter #1
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Default Racingline Cat Problem...

Ok so.... 79998 miles the front catalytic converter on my 06 Max melted. It started whistling bad, huge power loss, blah blah blah. Ordered the racingline precats and installed the front no biggie. The old cat had melted around and had about a quarter size hole left to breathe from. The back bolts refused to budge but after an old mechanic checked them out they came off. So both cats installed car drives good. Now for the problem. Two weeks ago the car was driving funny. Slow to little acceleration, bad mileage, and a weird whistle. Drove about ten miles and bam ses light. Pulled the codes and got 0300 (multiple cylinder misfire) and 0057 (bad 02 bank 2 sensor 2) Didnt have time to fix it so I parked it and flew out on vacation for a week. As soon as I get back I go to the shop and park it on a lift. Pulled off the y pipe and it was rattling. Tipped it and saw this:

Click the image to open in full size.

Was like wtf.... A little more pouring:

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Glanced into my front pre-cat and saw:

Click the image to open in full size.

By this time i was seriously starting to wonder what the hell had happened. After dumping as much as the crap as I could I pulled off the o2 sensor. Well I forgot the pic but it was bent in half... Again wtf... Looked in the pipe annnnd......

Click the image to open in full size.

By this point I was pissed... An hour later with an air hammer and a screwdriver I removed:

Click the image to open in full size.

Click the image to open in full size.

So yeah... The car is running no precats, no ses lights (o2 spacers ;-)), and seems to be running stronger than Ive ever remembered. So my question here is what the hell is causing me to have these catalytic converter problems (and yes I know the max's cats go bad at 80k miles anyway), and is there any danger of running without precats other than emissions? I have a loop hole that keeps me from getting smog tested so thats no biggie but the fact that the racingline cats lasted like 1500 miles kinda sucks. Any ideas?

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Old 07-16-2011, 11:06 PM   #2
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Default Re: Racingline Cat Problem...

WOW! Have you contacted Racingline yet? That is the FIRST thing I would do at this point.
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Old 07-16-2011, 11:10 PM   Thread Starter #3
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Default Re: Racingline Cat Problem...

I need to send them an email but Ive been way too busy. Just seeing if there were any reasons my car could be the problem over a defective product
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Old 07-16-2011, 11:14 PM   #4
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Default Re: Racingline Cat Problem...

There was a thread on another forum where a member had a similar issue with his Racinlgline HFPC. I don't know what the outcome was for the other member. Good luck, and keep us posted.
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Old 07-17-2011, 12:32 AM   #5
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Default Re: Racingline Cat Problem...

Im confused, you say Racingline but show pics of a factory cat.
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Old 07-17-2011, 12:36 AM   #6
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Default Re: Racingline Cat Problem...

Originally Posted by Raz76 View Post
Im confused, you say Racingline but show pics of a factory cat.
i was thinking the same thing.
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Old 07-17-2011, 12:51 AM   #7
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Default Re: Racingline Cat Problem...

dam i wonder what that is
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Old 07-17-2011, 01:06 AM   #8
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Default Re: Racingline Cat Problem...

so the racingline cats got cooked? i'm suprised none of those pieces got sucked into your engine. if the metallic core broke into that many pieces you got super lucky that your engine isn't toast.

keep us posted. if the cats are going to have problems like that i'm going to reconsider installing mine.
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Old 07-17-2011, 01:28 AM   #9
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Default Re: Racingline Cat Problem...

OP , I would contact RacingLine ASAP , it must be a defected part.

Originally Posted by mrmurphz View Post
so the racingline cats got cooked? i'm suprised none of those pieces got sucked into your engine. if the metallic core broke into that many pieces you got super lucky that your engine isn't toast.

keep us posted. if the cats are going to have problems like that i'm going to reconsider installing mine.

It wont go to the engine, as the exhuast only exits out, but it will clog up
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Old 07-17-2011, 02:32 AM   Thread Starter #10
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Default Re: Racingline Cat Problem...

Originally Posted by dstruc View Post
i was thinking the same thing.
My apologies I was referring to the racingline precats. I still have the stock catalytic converter on the y pipe at the moment.

So currently the consensus is a defective part?

Also just a haha, where the y-pipe connects to the front precat there are burn marks where it looks like it exploded. (Forgot pics of course)

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Old 07-17-2011, 02:42 AM   #11
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Default Re: Racingline Cat Problem...

Originally Posted by NiZMo1o1 View Post
OP , I would contact RacingLine ASAP , it must be a defected part.




It wont go to the engine, as the exhuast only exits out, but it will clog up

Good to know. I've heard stories of failing precats with loose core pieces getting in the cylinders and causing engine problems.
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Old 07-17-2011, 03:10 AM   #12
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Default Re: Racingline Cat Problem...

Originally Posted by mrmurphz View Post
Good to know. I've heard stories of failing precats with loose core pieces getting in the cylinders and causing engine problems.
Yes failing pre-cats can get sucked back into the engine and ruin it. True exhaust "blow out" but that close the then engine my Nissan tech (he is the only one certified at the dealership to work on GTRs) that there is an "inhale" that is strong enough to suck back in find particles that can scratch the cylinders and ruin the engine.
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Old 07-17-2011, 03:18 AM   #13
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Default Re: Racingline Cat Problem...

Wow. Looks like your car ate shrooms. I'm still not clear on which cat your having issues with.

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Old 07-17-2011, 11:33 AM   #14
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Default Re: Racingline Cat Problem...

Originally Posted by mrmurphz View Post
Good to know. I've heard stories of failing precats with loose core pieces getting in the cylinders and causing engine problems.
the way its design , its alot harder for it to travel back into the heads.. not saying it wont but most failed pre-cats get clogged before anything, by then your facing SES failed o2s and mis-fires
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Old 07-17-2011, 07:00 PM   #15
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Default Re: Racingline Cat Problem...

i would call racingline ASAP thats crazyness
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Old 07-17-2011, 11:42 PM   #16
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Default Re: Racingline Cat Problem...

Hear anything from racingline?
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Old 07-18-2011, 09:11 AM   #17
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Default Re: Racingline Cat Problem...

Originally Posted by Lcpl Woody View Post
...and is there any danger of running without precats other than emissions?
None. The only problem I've had is a CEL that wont go away. You can pass emissions if the cat in your y-pipe is good. I'm running Cattman headers so it's not exactly the same but if your precats are gutted now, its basically the same as headers.

I think this is a problem with "high flow" cats. I don't think they hold up as well as regular/stock or brick type cats.

I was running with no-cats at all for a while, then I had a Cattman "fastcat" installed in the y-pipe,

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it passed emissions fine but that fastcat didn't last the long. My last go round with emissions I failed because the fast cat had "burned out" it was working anymore.

Are you running any kind of air/fuel management? I wonder if you are running lean and heating it up too much in there, its just a guess.
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Old 07-18-2011, 09:18 AM   #18
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Default Re: Racingline Cat Problem...

Racingline needs to address this problem is there is more than one file complaints.

Taz has been a good rep for them , so hopefully he will chime in or replace the OP's part
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Old 07-18-2011, 11:14 AM   #19
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Default Re: Racingline Cat Problem...

Still no word from Racingline..?
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Old 07-18-2011, 11:45 AM   #20
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Default Re: Racingline Cat Problem...

You're not the first person with issues:
http://forums.maxima.org/dealership-...rformance.html

I'm hoping this will be addressed.
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Old 07-18-2011, 03:37 PM   #21
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Default Re: Racingline Cat Problem...

I never used racingline parts on my maxima so I am not familiar with the product quality or customer service but this product wasnt even released long ago so it shouldnt be failing already imo.

---------- Post added at 03:37 PM ---------- Previous post was at 03:37 PM ----------

p.s. headers ftw
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Old 07-19-2011, 10:44 PM   #22
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Default Re: Racingline Cat Problem...

CC'd from the other site

this is the first I have heard of this as the OP has not yet sent in any emails or PM's regarding the issue

Originally Posted by jasoneon View Post
I think this is the 2nd racingline converter failure that's happened on here. Whether it's a car problem or racingline problem I'm not getting into.
The other car that did have this problem had severely damaged factory cats (like the OP of this thread)which can lead to engine/oil problems as we all know, it showed large amounts of soot and was set up for nitrous use. Although they claim to have never sprayed while the cats were installed, simply retarding the timing can send unburnt fuel into the cats which can eventually ignite inside the cat causing catastrophic damage to ANY cat

Originally Posted by Cattman View Post
Cmax03, you're a good friend and loyal Cattman supporter, but please don't quote me this way online. I very much prefer to avoid open conflicts with other vendors. Saying that they are not durable seems to be a true statement, but calling them a joke is the kind of insult I try to avoid.
Less than 2% failure rate to date with almost 100 units sold in less than 1 yr hardly suggests they are not durable(% includes BOTH the previously mentioned failures from above). Since they use a similar Magnaflow cat akin to the cattman fastcat system I would suggest buying and dissecting your own set of our HFPC before making any such bold claims based on internet conjecture.........

Originally Posted by Cattman View Post
All I will say about this issue is that:

1) I've been hearing similar reports for several months; this is not new, nor an isolated occurrence.
Funny that I have heard of none and it's my product?! unlike other products with lots of reported SES lights including a batch with crooked flanges. Yet I'm not attempting to stir the pot in your threads or knock your product

Originally Posted by Cattman View Post
2) Although its certainly possible, I would not necessarily assume this is due to the ignition of unburned fuel because I do not actually see any melting (but I suppose there could be structural failure due to excessive heat, without actual melting).
Unburnt fuel would not cause excessive heat per se, in fact if would aid in lowering combustion temperatures, one reason it is done in forced induction and nitrous use. It would however cause forceful explosions (not smoldering) inside a cat which is one of the only a very few reasons a stainless steel substrate mesh could break into small fragment so quickly

Originally Posted by Cattman View Post
3) Another possibility would be that the substrate was not adequately anchored in the housing - if its moving around (violently), the metal cell structure can collapse
Collapse and possibly unravel yes, but unlikely to shear into tiny pieces without excessive and prolonged driving use

Originally Posted by Cattman View Post
4) I've heard rumors that they suspended sales due to these issues, but it may not be true and others would have to confirm.
Conjecture once again, never once have the HFPC's been halted, infact they sell too quick to keep on the shelf at times which is why they are out of stock often

Originally Posted by Cattman View Post
5) When issues like this come up, it can be crushing to a small business - Taz has my sympathy, I've been there before too (thinking back to a batch of 50 y-pipes we sold in 1999 or 2000 and they all had bad flex sections that balled up in a bunch and caused problems that are quite similar to these symptoms).
Like the only other issue of this occurring, since they user has taken it upon themselves to chisel, modify and reinstall the product there is no possible way of concluding the actual cause of the failure, best I can offer at this point is a discount on a replacement set. But before that were to happen the OP needs to (a) contact me, which has yet to happen) (b) should have the car looked at and have the A/f tested, timing checked, and even a compression test performed to ensure the car is not sending fuel or oil into the exhaust system. If any of these conditions exist a replacement set is likely to grenade again


Originally Posted by Cattman View Post

6) As far as new sims go, does anyone know of a current source? www.O2simulators.com has suspended orders for some time. I'm not aware of other sources and would appreciate a PM with links to other sources. Not sure where to send our customers when they ask about O2 sims.

Brian
The spacers I showed you once before are working well in the cars I have tested them on. Both local Evos running WB and the 05+ 2.5 Altimas running WB all have are CEL free
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Old 07-19-2011, 11:34 PM   #23
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Default Re: Racingline Cat Problem...

Hmmm, interesting. Well imo that is very strange, but at the same time if it's 2 out of 100 then it's not lot. I wonder how it will all turn out. I hope all parties can work together to get it sorted out.

PM me please about the spacers, I still have CEL that won't go away. Lean and rich codes at the same time.
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