FYI - ETD has 2.5" Metal Core Bolt on cats - Miata Turbo Forum - Boost cars, acquire cats.

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Old 05-01-2008, 05:55 PM   #1
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Default FYI - ETD has 2.5" Metal Core Bolt on cats

Hey guys,

Just wanted to let you guys know ETD just released 2.5" bolt-on metal cats for the 1.6 and 1.8. I ordered mine last week and I think they appeared on their website a few days ago. $200 is much less than buying a universal and having it custom made.

http://etdracing.com/miatacat.html
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Old 05-01-2008, 06:01 PM   #2
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think I paid $50 for mine and welded some flanges to it
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Old 05-01-2008, 06:16 PM   #3
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He's had them for a good while now. The carsound magnaflow 3" spun metalcore 350 cell cats are like $85 from performance peddler. The tubing would be like $5-10 and flanges would be like $10 a piece in stainless unless you have the hookup.
Fair pricing for fabrication I guess. Can't beat the joe blow muffler shop jobs though.
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Old 05-01-2008, 06:17 PM   #4
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Quote:
Originally Posted by Ben View Post
think I paid $50 for mine and welded some flanges to it
Sure yours was metal core?
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Old 05-01-2008, 06:27 PM   #5
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No
Not sure it was as high as $50 either
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Old 05-01-2008, 06:28 PM   #6
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They had the 2.25" for awhile, the 2.5" is new. Cheapest I found for a universal metal core was $120.
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Old 05-01-2008, 06:37 PM   #7
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Metal core isn't the only criteria that matters.

You also care about cells per inch. 200 cells per inch is decent. 300 does not impress me at all.
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Old 05-01-2008, 06:48 PM   #8
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How many cells also determines if you can pass smog or not. I think 300 cell is a good average. 200 cells might have a hard time passing smog in CA, even with an ODBI.
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Old 05-01-2008, 07:06 PM   #9
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For someone looking to buy a simple, off-the-shelf cat that will mate with their shiny new 2.5" downpipe and Enthuza exhaust, it looks like a decent deal to me. OTOH, Ben's right- for the DIY'er who can weld stainless or isn't afraid to track down a non-chain exhaust shop and say "Make this fit into that", regular ceramic-core cats are $50 - $60 all day long, and Magnaflow P/N 59956 can be found for $80 - $100. Granted, we're not talking about a huge savings over the ETD price- maybe $50 if you're really clever at parts procurement and make friends easily. Depends on how cheap you are, I expect whether one makes sense over the other. I kinda liked the idea about the Y-pipe and the two staggered cats.

As to 200cpi / 300cpi, the whole point of installing a cat in the first place is to pass emissions, right?
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Old 05-01-2008, 07:15 PM   #10
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Racing Mazda has the 3in for $150.
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Old 05-01-2008, 07:47 PM   #11
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Quote:
Originally Posted by zoom2zoom View Post
Racing Mazda has the 3in for $150.
uh...that's not a spun metal core cat.


http://www.team-integra.net/sections...p?ArticleID=24
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Old 05-01-2008, 11:14 PM   #12
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I've got the last metal cat in the world sitting in my garage. Just need my welder back.
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