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catalytic converters, cats, cats, cats

Old 01-13-2011, 04:01 PM
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catalytic converters, cats, cats, cats

I have just processed all the options for replacing the catalytic converter on the rx8. There wasn't one place that had a list compiled for all the options available. I thought I would start one. Hopefully it can be added to the sticky in the aftermarket performance modifications section. This list includes all catalytic converters as well as finished cat included midpipes. Hopefully anyone looking to replace the stock cat can find an option that suites them. Please add the to the thread and I will edit my first post.

This post does not include cat delete options look for midpipes instead of catalytic converters.

I will also warn that some of these converters range from great, ok, to absolutely poor results even for NA setups. I only wanted to present facts on this list so no reviews here, do a search under the title or manufacturer and you can find more info. The CEL status included was taken from reviews but I only included solid results. This included 95% of reviews stating that there was no CELs displayed. So i took my own digression there but for the life the of cat how over long that was ... there was no CEL codes displayed.

Another warning that even though some of these cats didn't display CEL codes they might not pass a sniffer test, so california and some other areas that do sniffer tests please do some extra research. My emissions test only includes a odb2 check and gas cap check so I don't have to worry about that.

If the product includes pipe, o2, and hardware it is essentially "bolt-on"
and here it goes ...

Name: Mazda OEM
Link: online Mazda Parts search for "converter". no 5 in the illustration
included: pipe, o2, hardware
Manufacturer:Mazda
1,066.96
CEL codes: no codes
CPSI:unkown
Type:Ceramic

Name: RP Supercat version 2
Link: RP
included: pipe, o2, hardware
Bolt & Gasket Kit - $30.00
Manufacturer: rotary performance
$395.00
CEL codes: no codes
CPSI:unkown
Type:unkown

Name: Davesport
Link: Davesport
Included: Catalytic converter only
manufacturer: Davesport
$138.00
CEL codes: no codes
CPSI:100
Type:Metal

Name: BHR Resonated Midpipe
Link:BHR
Included: pipe, o2, extra o2, hardware, polishing
manufacturer: Davesport
$625 + $25 second o2 hole, $100 polishing
CEL codes: none
CPSI:100
Type:metal

Name: HKS
Link: JapanParts HKS
Included: pipe, o2, hardware
Manufacturer:HKS
$1509.60
CEL codes: None
CPSI:150
Type:Unkown

Name: Knight Sports
Link: Japan Parts
Included: pipe, o2
manufacturer: Knight Sports
$1851.60
CEL codes: Unkown
CPSI:300
Type:unkown

Name: Nakumura
Link: JapanParts
Included: pipe, o2
manufacturer: Nakumura
$2006.40
CEL codes: Uknown
CPSI:unkown
Type:unkown

Name: R Magic
Link:JapanParts
Included: pipe, o2
manufacturer: R Magic
$1666.80
CEL codes: Unkown
CPSI:150
Type:unkown

Name: RE Amemiya
Link:JapanParts
Included: pipe, o2, hardware
manufacturer: RE Amemiya
$1356.00
CEL codes: none
CPSI:150
Type:metal

Name: SARD
Link:JapanParts
Included: cat only
manufacturer: SARD
$1140.00
CEL codes: Unkown
CPSI:unkown
Type:unkown

Name: SRMotorSports
Link:SRMotorsports
Included: pipe, o2, hardware
manufacturer: Magnaflow
$699
CEL codes: none
CPSI:unkown
Type:unkown

Name: Magna flow DIRECT-FIT CATALYTIC CONVERTER PART# 49150
Link: Magnaflow
Included: pipe, o2, hardware
manufacturer: Magnaflow
$566.94
CEL codes: unknown
CPSI:unkown
Type:unkown

Name: Rx7store.net Stainless Cat Midpipe Mazda RX-8 version 2
Link: rx7store.net
Included: pipe, o2, hardware
manufacturer: Magnaflow
$345.00
CEL codes: none
CPSI:100
Type:Metal

Name:CORKSPORT Power Series Racepipe
Link:corksport
Included:pipe, o2, extra o2, hardware,single resonator
manufacturer:CORKSPORT
$449
CEL codes: Unknown
CPSI:unkown
Type:unkown

Name: HJS part-No. 9095 0080
Link: HJS Contact
Included: o2, cat only
manufacturer: HJS
$566 w/free shipping
CEL Codes: None
CPSI:100
Type:Unkown

Name: Exotic Speed sport
Link:Exotic Speed
Included: pipe, o2, hardware
manufacturer: Exotic Speed
$599
CEL codes:none
CPSI: 300
Type: Metal

Name: Exotic Speed racing
Link:Exotic Speed
Included: pipe, o2, hardware
manufacturer: Exotic Speed
$599
CEL codes: none
CPSI: 300
Type:Metal

Name:
Link:link
Included: Unknown
manufacturer: Unknown
$unknown
CEL codes:unkown
CPSI:unknown
Type:unknown

Last edited by bsteimel; 08-03-2011 at 08:18 PM. Reason: HJS contact page
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Old 01-13-2011, 04:05 PM
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Very nice! Just yesterday I was looking into different cat options!
STICKY STICKY STICKY!!!
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Old 01-13-2011, 04:57 PM
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HKS cat does not throw a CEL, verified in person

Excellent thread, btw
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Old 01-13-2011, 04:59 PM
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Originally Posted by Jedi54 View Post
HKS cat does not throw a CEL, verified in person

Excellent thread, btw
jedi does it come with all hardware, essentially "bolt-on." Also is japans parts the best place to buy this item for the US market.
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Old 01-13-2011, 05:44 PM
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Front gasket, nuts and bolts are all included. I think the rear gasket gets reused .

It can be ordered from Japanparts or any HKS authorized dealer, probably best to just list HKS' website
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Old 01-13-2011, 11:04 PM
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added to my super parts thread. :-)

lol

really nice job with this. you da man!
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Old 01-13-2011, 11:21 PM
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Thanks for starting this thread. To contribute, I believe ExoticSpeed also makes a cat for the RX-8. I have no first-hand knowledge of quality, performance, or accessories. $599 USD for either one.

"Sport" (2.5"):
http://www.exoticspeed.ca/product_in...oducts_id=4599

"Racing" (3.0"):
http://www.exoticspeed.ca/product_in...oducts_id=4601

Last edited by maskedferret; 01-13-2011 at 11:27 PM.
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Old 01-14-2011, 09:13 AM
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Another piece of useful info would be metal or ceramic core, and cpi
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Old 01-14-2011, 09:41 AM
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Originally Posted by maskedferret View Post
Thanks for starting this thread. To contribute, I believe ExoticSpeed also makes a cat for the RX-8. I have no first-hand knowledge of quality, performance, or accessories. $599 USD for either one.

"Sport" (2.5"):
http://www.exoticspeed.ca/product_in...oducts_id=4599

"Racing" (3.0"):
http://www.exoticspeed.ca/product_in...oducts_id=4601
I've actually got one of those.

It works well, but cops don't like it because of its noise.. I got towed for having it on my car Also, fitment may be a TINY bit off, the resonators rub on the heatshield for the driveshaft (I think that's what the black thinger is).
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Old 01-14-2011, 09:48 AM
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In regards to the rx7store cat. I have one and spoke with them before purchasing. When they originally released the cat / midpipe combination it came with the Magnaflow cat. However they had alot of problems with this cat failing so switched to the Davesport. They told me they haven't had one come back since. This was the deciding factor for me when I was comparing the rx7store cat to the RP.
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Old 01-14-2011, 09:48 AM
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Originally Posted by tubingchamp View Post
I've actually got one of those.

It works well, but cops don't like it because of its noise.. I got towed for having it on my car Also, fitment may be a TINY bit off, the resonators rub on the heatshield for the driveshaft (I think that's what the black thinger is).
Damn is BC really that strict? Over here they'll try to give you a ticket but unless they can prove exactly what's on your car (which they usually can't) then they're SOL.
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Old 01-14-2011, 09:52 AM
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Smile Thanks for the Info

I found your information extremely helpful thanks.
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Old 01-14-2011, 09:53 AM
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However they havn't updated the pic on their website. This picture clearly depicts a midpipe with the Magnaflow cat :

Last edited by terch1; 05-10-2011 at 03:35 PM.
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Old 01-14-2011, 09:54 AM
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Originally Posted by TheWulf View Post
Damn is BC really that strict? Over here they'll try to give you a ticket but unless they can prove exactly what's on your car (which they usually can't) then they're SOL.
I've been towed twice :P

Once for having no cat ( Came around the corner, and a cop said that he could smell my catless rotary ). Another time for not getting a vehicle inspection a few days after that..

Vehicle inspection places aren't as easy to find as I thought they'd be.. Some of the guys I called said things like, "If your car is lowered or has rims, I won't pass it".
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Old 01-14-2011, 09:54 AM
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My midpipe had this cat installed:

Last edited by terch1; 05-10-2011 at 03:35 PM.
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Old 01-14-2011, 09:56 AM
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Name:CORKSPORT Power Series Racepipe
Link:http://www.corksport.com/corksport-p...e-for-rx8.html
Included:pipe,o2,hardware,single resonator
manufacturer:CORKSPORT
$449
CEL codes: Unknown
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Old 01-14-2011, 10:23 AM
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Name: HJS part-No. 90 95 0046
Link: http://www.hjs-motorsport.de/english/standard.htm
Included: o2, cat only
manufacturer: HJS
*not sure on price*
CEL Codes: None

Reference: http://www.modified.com/projectcars/...ing/index.html

Last edited by paimon.soror; 01-14-2011 at 10:29 AM.
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Old 01-14-2011, 11:02 AM
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Originally Posted by terch1 View Post
In regards to the rx7store cat. I have one and spoke with them before purchasing. When they originally released the cat / midpipe combination it came with the Magnaflow cat. However they had alot of problems with this cat failing so switched to the Davesport. They told me they haven't had one come back since. This was the deciding factor for me when I was comparing the rx7store cat to the RP.
I just got an email back from sales that it is the magnaflow cat. Is there a place that sells this cat directly. The cat offered for the rx8 on magnaflow's website states doesn't match up to the one other midpipe manufacturers are using.

btw added cspi and type metal or ceramic. Most do not specify although I would guess that 99% are metal.

I also sent an email to HJS for a price on there Cat. I didn't realize they had a British version of there site until after I filled out the contact form. Really had to dig deep to old college German classes.

Last edited by bsteimel; 01-14-2011 at 11:47 AM.
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Old 01-14-2011, 11:47 AM
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The ReAmemiya cat is pretty sturdy, it will take a lot of abuse without breaking. You can easily poison it though especially in stop\go traffic.
The build quality of the whole pipe is what you'd expect from ReAmemiya and the sound is not excessive. It doesn't drone with a mazdaspeed dual canister exhaust.

Hope this little informations help.
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Old 01-14-2011, 11:49 AM
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Originally Posted by bse50 View Post
The ReAmemiya cat is pretty sturdy, it will take a lot of abuse without breaking. You can easily poison it though especially in stop\go traffic.
The build quality of the whole pipe is what you'd expect from ReAmemiya and the sound is not excessive. It doesn't drone with a mazdaspeed dual canister exhaust.

Hope this little informations help.
So no CEL codes I suppose. Does it come as a "bolt-on" component when you buy it. o2 bung, hardware etc
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Old 01-14-2011, 11:51 AM
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Absolutely no CELs 'till I poisoned it. It was my fault though, one long WOT run after 2hrs of stop and go traffic to cover 20kms.
It comes with a good new gasket but i can't remember if the bolts were included. It is a 100% bolt-on product anyway
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Old 01-14-2011, 11:53 AM
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Originally Posted by bsteimel View Post
I just got an email back from sales that it is the magnaflow cat. Is there a place that sells this cat directly. The cat offered for the rx8 on magnaflow's website states doesn't match up to the one other midpipe manufacturers are using.

btw added cspi and type metal or ceramic. Most do not specify although I would guess that 99% are metal.

I also sent an email to HJS for a price on there Cat. I didn't realize they had a British version of there site until after I filled out the contact form. Really had to dig deep to old college German classes.
You might be able to send TeamRX8 a PM to see an estimate price of the HJS. IIRC he has experience with them.
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Old 01-14-2011, 11:57 AM
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Originally Posted by paimon.soror View Post
You might be able to send TeamRX8 a PM to see an estimate price of the HJS. IIRC he has experience with them.
It is only available from a European source, so the price will be changing constantly with the value of the US Dollar/Euro. Any price quoted will be a snapshot in time and be uses as an approximation.
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Old 01-14-2011, 12:22 PM
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^^ Good point, my mistake
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Old 01-14-2011, 02:51 PM
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Actually, you guys in the US can source that HJS cat from a lot closer to home

http://www.hjsna.com/

Pricey though - US$906 - but Team has been telling us that all along
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