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Effects of a Mid-Pipe?

Old 03-30-2009, 04:24 AM
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IE Effects of a Mid-Pipe?

Hi all,

I was thinking of getting rid of my cat and replacing it with a Mid-Pipe. How would this affect emissions? Would it pass an NCT?
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Old 03-30-2009, 04:41 AM
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The bad:
You will have a cel and a engine light on. No big deal get a scangaugeII. Sometimes the engine light will go away lol then come back on. You will fail the snif test and not pass.
The good:
Your car will run less hot. Save your cat for smog day. Love the new sound of Rotory and yes you will feel some power
I like the good so I went for it and love it. I keep my cat for smog days.
-Gil

Last edited by DOMINION; 03-30-2009 at 04:48 AM.
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Old 03-30-2009, 07:25 AM
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Not a snowballs chance of passing the NCT without the CAT. I got a CEL which I could not get to stay off. In the end I fitted a high flow cat which will pass the NCT and the car sounds and smells better.
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Old 03-31-2009, 04:31 AM
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Originally Posted by DOMINION View Post
The bad:
You will have a cel and a engine light on. No big deal get a scangaugeII. Sometimes the engine light will go away lol then come back on. You will fail the snif test and not pass.
The good:
Your car will run less hot. Save your cat for smog day. Love the new sound of Rotory and yes you will feel some power
I like the good so I went for it and love it. I keep my cat for smog days.
-Gil
I have the AccessPort so that'll do for getting rid of cels.

Originally Posted by O'Renesis View Post
Not a snowballs chance of passing the NCT without the CAT. I got a CEL which I could not get to stay off. In the end I fitted a high flow cat which will pass the NCT and the car sounds and smells better.
Where did you get yours? How much? Who fitted it for you? I have noticed a fairly odd smell from exhaust fumes

Last edited by EinHeisserSchrei; 03-31-2009 at 04:34 AM.
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Old 03-31-2009, 06:07 AM
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Does a highflow cat pass the typical EC tests? (ours are once every 2 years).

Have been considering one, but hard to say which one is the best. Don't want crazy loud sound :P
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Old 03-31-2009, 06:36 AM
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Well I have been testing some different midpipes, with and without cat.

with a correct made cat you will easy pass emission (in Sweden), PM Lasse Wankel if someone in europe wants to buy an high end midpipe with race cat.
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Old 03-31-2009, 06:38 AM
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Highflow cat = do not pass go lol and they are not that loud with a stock cat back. After market however...
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Old 03-31-2009, 06:41 AM
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Originally Posted by DOMINION View Post
Highflow cat = do not pass go lol and they are not that loud with a stock cat back. After market however...
Midpipe + 100 cels race cat + Racing Beat REV8 sounds perfect almost to little.
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Old 03-31-2009, 06:46 AM
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Wha? some guy had a high flow cat with the borla and it was hella loud! then again my set up is almost perfect at idle
Oh well.
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Old 03-31-2009, 07:19 AM
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Dominion could you please avoid posting misleading infos?
What Azathoth says is correct. With a high flow cat you will pass emissions in most of the european countries.
Plus Lars \Lasse Wankel is a well respected tuner here and he thoroughly tests every product he markets. We've been collaborating for some stuff so i know how much he studies anything before even considering it.

@neXib, Lasse is coming out with some good alternatives for you guys looking for a catalyzer that won't melt (like the brain cat does) i would try and contact him via mail. Pm me if you need his address.
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Old 03-31-2009, 07:24 AM
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Whats misleading? what I miss?
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Old 03-31-2009, 07:27 AM
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The fact that you won't pass emissions and real high flow catalyzers (Ferrita, HJS and such) in combination with a muffler or a resonator will not be that loud.
The car will run cooler as well, you will be able to take objects from the small boot\cup holder too, with a high flow cat.
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Old 03-31-2009, 07:34 AM
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Originally Posted by DOMINION View Post
Whats misleading? what I miss?
Europe has different emissions laws than the US so our experiences with emissions and what works doesn't always apply.
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Old 03-31-2009, 07:36 AM
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Yep, and a high flow cat won't throw a cel in.
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Old 03-31-2009, 07:41 AM
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^In Europe maybe but my friend has a high flow cat and has a cel. He also has the CobbAP and its still on.
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Old 03-31-2009, 07:46 AM
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That's what happens when you put a random catalyzer on.
I had no CELs with Brain and Re amemiyas, who uses Ferrita doesn't have them as well. So far so good, and i don't have 2004 car that might not throw'em anyway.
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Old 03-31-2009, 08:57 AM
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bse50: He's probably on at least one other forum I'm on, but I don't know who he is specifically. Could you pm me his contact details?

I surely would love an original looking highflow cat.
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Old 03-31-2009, 09:07 AM
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You have a pm Sir
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Old 03-31-2009, 11:23 AM
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Originally Posted by bse50 View Post
Dominion could you please avoid posting misleading infos?
What Azathoth says is correct. With a high flow cat you will pass emissions in most of the european countries.
Plus Lars \Lasse Wankel is a well respected tuner here and he thoroughly tests every product he markets. We've been collaborating for some stuff so i know how much he studies anything before even considering it.

@neXib, Lasse is coming out with some good alternatives for you guys looking for a catalyzer that won't melt (like the brain cat does) i would try and contact him via mail. Pm me if you need his address.
So you are that Italian guy he speaks about that wants to buy his midpipe?

I think they just gone in preproduction, I sent a midpipe for testing the new HJS Catalysator. I hope it will be done soon.

Lasse will soon have these nice Ver. 2 midpipes, eager to test it out =)

his homepage is www.wankelracing.se

Last edited by fastlaneracing; 03-31-2009 at 11:27 AM.
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Old 03-31-2009, 11:26 AM
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Originally Posted by bse50 View Post
That's what happens when you put a random catalyzer on.
I had no CELs with Brain and Re amemiyas, who uses Ferrita doesn't have them as well. So far so good, and i don't have 2004 car that might not throw'em anyway.
I have been using Ferrita Midpipe with race cat from last year, sound level is great and no cels, no problems passing emission.

Soon Ver. 2 is out.
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Old 03-31-2009, 11:42 AM
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I am the guy that put him in contact with the other italian guy
We usually talk about renesis porting and stuff like that but i really admire his work in general and usually suggest him to the guys who need catalyzers and such!
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Old 03-31-2009, 11:49 AM
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He has some promising ported Renesis on its way...

Please check my project thread in my signature and you will see photos from his workshop =)
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Old 03-31-2009, 11:50 AM
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Link?
We've been talking about porter rennies for a while now and we've been exchanging some good ideas too!
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Old 03-31-2009, 11:54 AM
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Old 03-31-2009, 12:00 PM
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