RM downpipe - what cat fits? Built on Pitlabs car incase you missed it 1000 times ago - Miata Turbo Forum - Boost cars, acquire cats.

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Old 07-05-2007, 01:29 PM   #1
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Default RM downpipe - what cat fits? Built on Pitlabs car incase you missed it 1000 times ago

I heard that when using the RM DP with the greddy kit, that the stock cat converter won't bolt up due to a flange issue?
I've got a cat delete pipe, but need to get a new cat anyway in order to pass emissions. Is there a bolt up cat that will work? I know I could have XYZ welded up, but that's not my preference. I'm weird about mechanics touching my cars...
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Old 07-05-2007, 02:38 PM   #2
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When he made my system ,the greddy kit I bought 2nd hand came with the racing mazda downpipe. I oreded both the "test pipe" and the cat convertor from him when I ordered my exhaust from him,incase I needed it (I live in a non emmision county here in GA.... for now).

Last edited by erkinatl; 07-05-2007 at 02:40 PM. Reason: spelling
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Old 07-05-2007, 02:49 PM   #3
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lucky bastard. i could throw a stone and hit winder...

my emissions are due in august.
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Old 07-05-2007, 03:02 PM   #4
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I'm going to ride it ut as long as I can too

Back on topic....... The other suggestion would be to try another source for the cat. I have the cat and if you find somebody here in the north GA area I would be more then happy to bring it to him to see what he could do......
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Old 07-05-2007, 03:09 PM   #5
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I have a spare cat that I bought to use for the same reason. I took out my test pipe and the cat bolted right in with no problem. On, pass, off in all of about 30 mins. Itís a brand new OEM cat by the way.

I was actually thinking about trying and setting up sending the cat around the US to those that needed it for emissions to help out and make a little green here and there. I figured, instead of someone having to do what I did, I could just ship it at that persons cost and get myself paypal'd maybe $10 and just keep circulating it.

Vash-
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Old 07-05-2007, 03:28 PM   #6
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I like your cat-whoring idea.
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Old 07-05-2007, 05:23 PM   #7
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I have the RM DP and it bolts to the stock cat just fine!
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Old 07-05-2007, 05:52 PM   #8
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Quote:
Originally Posted by Vashthestampede View Post
I have a spare cat that I bought to use for the same reason. I took out my test pipe and the cat bolted right in with no problem. On, pass, off in all of about 30 mins. Itís a brand new OEM cat by the way.

I was actually thinking about trying and setting up sending the cat around the US to those that needed it for emissions to help out and make a little green here and there. I figured, instead of someone having to do what I did, I could just ship it at that persons cost and get myself paypal'd maybe $10 and just keep circulating it.

Vash-
The cat...I need it...How much shipped? Pm me
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Old 07-05-2007, 06:26 PM   #9
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Quote:
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I have the RM DP and it bolts to the stock cat just fine!
this is good news...

that just leaves getting hold of a used cat...
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Old 07-08-2007, 10:18 AM   #10
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I ordered my Dp with a flange to fit a 2.5-3" flange. It wont fit the stock cat. Ric made these to customer specs. I see you going to the local muffler shop weather you like it or not. Just buy yourself a universal catalytic that will fit the pipe size you want and have them flange it up and install it for you, you could even have a flex joint installed at the same time to help you with the rest of the exhaust. I dont understand the phobia, but it really is a small job you are asking them to do, really.
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Old 07-08-2007, 02:21 PM   #11
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where can you order this racing mazda downpipe?

i contacted begi and they arent selling right now, and i havent heard back from turbo tony.
so i'm having a hell of a time.
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Old 07-10-2007, 10:38 PM   #12
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no help?
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Old 07-10-2007, 11:12 PM   #13
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Old 07-11-2007, 03:32 AM   #14
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I think BEGi might be selling them again,best to call to make sure.

BTW AJ,the turbo will need to come out to install the bigger downpipe.
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Old 07-11-2007, 03:46 AM   #15
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the RM was originally set up on my car to fit the stock cat via a slotted flange.

I am not sure if ric eventually changed that in the actually production run
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