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Team RX8s Catalytic info

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Old 01-08-2009, 09:38 AM
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I have new info about the cat:

A HJS Motorsport Cat has a rated temperature up to 1000° Celsius, so that is 1832°F.

The price has dropped also....
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Old 01-08-2009, 09:48 AM
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Originally Posted by Nemesis8
I have new info about the cat:

A HJS Motorsport Cat has a rated temperature up to 1000° Celsius, so that is 1832°F.

The price has dropped also....
According to their website, http://www.hjs-motorsport.com/bezugsquellen.php, it looks like Billy Boat is a distributor for their products. www.bbexhaust.com makes no mention of this.
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Old 01-08-2009, 10:15 AM
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Originally Posted by alnielsen
it looks like Billy Boat is a distributor for their products. www.bbexhaust.com makes no mention of this.

That dosent surprise me. BB lacks on updating thier page with up to date info.
Plus he's an ***.
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Old 01-08-2009, 12:44 PM
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You can buy them here: http://www.nimex-motorsport.de/ for around 500 euro now
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Old 01-10-2009, 02:26 AM
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thats $675 fyi
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Old 01-16-2009, 08:32 PM
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and worth every penny ...
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Old 01-18-2009, 08:04 PM
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I have only logged up to 1702F on the dyno with my current cat. Anybody log higher? Does the distance, when locating this cat from the exhaust manifold/header exit flange to the cat's entrance flange (welded to the cat with minimal distance), effect the ability of the CAT to properly lite off? Or, does the location still need to be as close as possible?
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Old 01-18-2009, 08:23 PM
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I'd give my left nut to know what the stock cat is rated at.
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Old 01-18-2009, 08:32 PM
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ive seen it posted here somewhere, GL finding it though...
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Old 01-18-2009, 08:48 PM
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I did find this from swoope at some point and it's consistent with what I see with my AFRs in the low 12s

https://www.rx8club.com/showpost.php...30&postcount=9
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Old 01-18-2009, 08:55 PM
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i've routinely seen temps of 1750 on my stock cat.. and that was before my AFRs were leaned out.
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Old 01-18-2009, 08:56 PM
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We actually contacted them to use that Cat in another Mid Pipe design....I couldn't justify the expense to produce and sell. He gave me a very impressive price if I bought 10 of them.

Too many projects going on for us lately....one day
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Old 01-18-2009, 10:36 PM
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Originally Posted by Fluid Motorsports
We actually contacted them to use that Cat in another Mid Pipe design....I couldn't justify the expense to produce and sell. He gave me a very impressive price if I bought 10 of them.

Too many projects going on for us lately....one day
Doing any one off custom work?
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Old 01-19-2009, 09:38 AM
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Of course, always.

Thats how Tubingchamps CF Diffuser came about
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Old 02-04-2009, 07:24 AM
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So the Hjs is one of the best about the rx8? I also leave in europe and i could easily buy one!!! is it a good ideal to weld on a mid pipe ? for example RB mid pipe?
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Old 02-05-2009, 07:38 PM
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Originally Posted by alnielsen
According to their website, http://www.hjs-motorsport.com/bezugsquellen.php, it looks like Billy Boat is a distributor for their products. www.bbexhaust.com makes no mention of this.
No they are not.
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Old 02-05-2009, 08:02 PM
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Vielen Dank für Ihre Nachricht

LOL
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Old 05-15-2009, 11:54 PM
  #43  
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I just received my HJS cat from nimex motorsport. It is the one teamRX8 used .
here's a couple pics of it

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Old 05-16-2009, 11:27 AM
  #44  
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Congrats!
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Old 05-16-2009, 12:52 PM
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I'm curious to see how well that cat holds up with your turbo Psycho.
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Old 05-16-2009, 06:30 PM
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mine is on a turbo now ...
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Old 05-16-2009, 08:54 PM
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where is a better location to put this cat on?
the front half of the midpipe or the second half after the bent?
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Old 05-17-2009, 01:47 PM
  #48  
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OE location, which may require modding the pipe some
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Old 06-06-2009, 12:43 PM
  #49  
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update bump
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Old 06-06-2009, 05:36 PM
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I had the cat put on about two weeks ago.
Performance wise, i don't see a noticeable changed compared to the RP surpercat that i had. It could be due to the HKS legamax catback being the bottle neck.
Exhaust noise is about the same and there's no more bad smell.
The cat is hanging a little low to the ground. I would suggest getting the 2/1012/10PE cat. it is smaller in body diameter.
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