Best Affordable Catalytic Converter
Hi,
I was just wondering what cat's you guys had, I was looking into the Bonez stainless steel, or the SR motorsports cat. I have to go through inspection very soon. So I'd appreciate any feedback. I ran some searches but didn't find anything definate. If anyone has or has had experience with either cats or any other brand please let me know. Thanks, Mo |
whatever you do dont buy a cat pipe that uses a "catco" brand cat.
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Originally Posted by XSTransAm
whatever you do dont buy a cat pipe that uses a "catco" brand cat.
-Max |
Originally Posted by maxcooper
I haven't used one, but why do you recommend against Catco cats?
-Max The company I work for's exhaust bender switched from magnaflow to catco brand cats in the pipe without notifying anyone. I think just about every one of the catco cats that went out was returned because it broke up and we had to send them replacement magnaflow ones. Obviously the use of the catco cats was permenantly stopped. Ive never had a problem with a magnaflow though. Mike |
need a pipe?
Hey Mo,
I had the hi flow cat from Petit, and didn't have any problems. Since I live in NV with no inspection I went with the midpipe and took the cat off. I can give it to you for 200 plus shipping. I already have a box for it so whatever the postage is. I also have a bonz downpipe I can give you for 150. |
tigerdriver, I've been looking for one, if project doesn't want it i'll take it!
give me a pm Matt |
Originally Posted by tigerdriver
Hey Mo,
I had the hi flow cat from Petit, and didn't have any problems. Since I live in NV with no inspection I went with the midpipe and took the cat off. I can give it to you for 200 plus shipping. I already have a box for it so whatever the postage is. I also have a bonz downpipe I can give you for 150. Hey TigerDriver, I'll take the cat. Pm me with all the details im very interested. Thanks, Mo |
Originally Posted by XSTransAm
The company I work for's exhaust bender switched from magnaflow to catco brand cats in the pipe without notifying anyone.
I think just about every one of the catco cats that went out was returned because it broke up and we had to send them replacement magnaflow ones. Obviously the use of the catco cats was permenantly stopped. Ive never had a problem with a magnaflow though. Mike -Max |
If I'm not mistaken, doesn't Pettit use Catco cats in their high-flow cats?
http://www.pettitracing.com/rx7/prod...st_312-600.jpg Pic of my Catco universal cat: http://img.photobucket.com/albums/v2...s/PICT0013.jpg I don't recall anything negative about their cats? |
I got the Bonez hi-flo from rx7.com on my FC a couple of years ago and more recently on my FD. Passed CA smog no worries (with downpipe) also without any tricks (like alcohol, etc). Seems to do the trick pretty well.
Simon. |
I had a Pettit high flow cat. It lasted for about 6 months and then the stuff inside blew out the tailpipe. Now I have a midpipe for free. The guy behind me was pissed.
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From an old post:
Originally posted by aimedhigh I can comment on three High flow systems Pettit CAT Random Tech Bonez We have had all three. The Pettit CAT plates broke off and failed within 6 months. Replaced it with a pettit and it happened again. Random Tech CAT clogged in one year. The Bonez CAT has been on for 2 years now and no problem. |
Might not be considered affordable.... but we should wait and see some [real] results from the few Metalit cat users out there. If they can show that they dont get blown out like traditional cats... they maybe worth the money.
I run really rich with a Pettit Unlimited, and I've blown out the internals of a bonez (2yrs+)and N tech (~8mos), but to be fair both were bought "slightly used." I'm just using a stock cat for now til I can buy a hi-flo unit with confidence.... and tune my car properly. |
We use Magnaflow in our high flow cat and havent had any problems
http://www.rx7store.net/index.asp?Pa...ROD&ProdID=312 Jason |
Originally Posted by Nameless
I run really rich with a Pettit Unlimited, and I've blown out the internals of a bonez (2yrs+)and N tech (~8mos), but to be fair both were bought "slightly used." I'm just using a stock cat for now til I can buy a hi-flo unit with confidence.... and tune my car properly.
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fwiw - when i was talking to Random about their metal substrate cats, they said that the primary reason cats fail is due to overly rich mixtures.
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Originally Posted by Jason
We use Magnaflow in our high flow cat and havent had any problems
http://www.rx7store.net/index.asp?Pa...ROD&ProdID=312 Jason |
Originally Posted by ManGaZeRo
Hey Jason, does your kit come with everything to hook up with the air pump?
Jason |
FWIW, BONEZ here. It came with the car which I've had for about 2 1/2 years. No problems, but I can't compare it to anything else.
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Running too rich can basically burn out any Cat really.... fuel is what heats them up more. A good way to test a functioning cat is to pull a plug wire and get an infared temp reader. Measure before and after the cat., and there should be at least a 100 degree increase after the cat.
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Originally Posted by Jason
Our cat does come with the airpump pipe off of the cat. The only thing you need to do is run the hose to it.
Jason |
I'm presently in the same boat. I just failed inspection and have probably less than a week to find a replacement for my Cat. The stock cat that is on there right now, I just found out is punched and miserably failed the sniffer test. Seeing as time is a factor, I'm looking for something quick and fairly inexpensive to just bolt up, re-take the test, then undo afterwards.
Excuse the stupid question here, but the picture linked by Jason of the High Flo Cat, is that whole thing the cat con? Or is it just the welded piece in there? Meaning, if I were to go to my local auto store and purchase a new cat for the FD, would it be the entire pipe as shown? Or would it be just a generic thing I'd have to have welded in there? |
Originally Posted by zmarko
Excuse the stupid question here, but the picture linked by Jason of the High Flo Cat, is that whole thing the cat con? Or is it just the welded piece in there? Meaning, if I were to go to my local auto store and purchase a new cat for the FD, would it be the entire pipe as shown? Or would it be just a generic thing I'd have to have welded in there?
The benefit to getting something like Jason is selling, is that it will be a full 3" all the way. The stock piping is around 2.5". |
Originally Posted by Mahjik
Jason is selling the entire drop in replacement. You can purchase just a catalytic converter and just have it welded in by an exhaust shop.
The benefit to getting something like Jason is selling, is that it will be a full 3" all the way. The stock piping is around 2.5". Thanks for the reply Mahjik. :) |
Originally Posted by zmarko
Ok, that's what I needed to know. The thing that worries me slightly is I'm not sure the hi-flow will pass the sniffer. My HC's were waaaaaaaaaaaaaaay out of spec (1453 vs the standard passing 220----not sure why, hope something else isn't wrong). I'm going to put the stock air box back on as well, hoping that that will aid those numbers.
Thanks for the reply Mahjik. :) I don't know if NC is more or less strict than CA, but you should be fine with a hi-flo cat as long as everything else on your car is working properly. |
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