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high flow cat

Engine/Gearbox questions and discussion
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bb1boy
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Post by bb1boy » Fri Mar 28, 2014 3:04 pm

Sadly he retired just before xmas 2013 ..so now my MOTs all have to be (pretty much) legit.
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K30DPC
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Post by K30DPC » Sat Mar 29, 2014 12:18 am

Thebusofwoe wrote:What part of the emissions did it fail on?
CO
derrick1988 wrote:
Hahaha no way man you runnin your car on banana peels!!

Seriously though I'm very surprised I always assumed high flow cats would raise the emissions?

Looking at that ad I would need one with the flange fittings though cos every other part of my exhaust is bolt on flanges?
what dobyou mean? Is there anything wrong with this cat? It's back on shelf now as I needed it only for MOT ;)

My local exhaust shop weld them for £20 so it's not an issue

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ChrisR
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Post by ChrisR » Sat Mar 29, 2014 1:25 pm

mine has a high flow Japspeed cat on it dunno who fitted it, my mate just pointed it out when he was fitting my exhaust, but it went through MOT ok

derrick1988
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Post by derrick1988 » Sun Mar 30, 2014 2:41 am

No buddy I have no problem in fitting cat just wondering if legal or not. I want my car turboing by next year lol
Last edited by derrick1988 on Fri Apr 25, 2014 5:48 pm, edited 1 time in total.

derrick1988
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Post by derrick1988 » Tue Apr 01, 2014 9:59 pm

My cat that is on just now is let's say dicintegrating! To fit my cat back system I need to undo three bolts attached to the rustiest standard cat I've ever seen lol so basically it's gona get damaged. Since I will be needing a new one and because my only aim in life just now is to get this car more powerful and back to health I'm interested in a high flow catalytic converter. Pref. stainless with flange ends which will save me on weld costs and be easy to take back off if unsuitable for mot test. I've seen a couple on eBay for around 60 bucks but they don't state if they are 100,200,300 cell etc???

derrick1988
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Post by derrick1988 » Fri Apr 25, 2014 5:50 pm

Well after passing my mot but really I shouldn't cos of emissions! I'm definetly after a cat now preferably high flow. Does anyone have one one theirs? And where did you get it?

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SPYDOR
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Post by SPYDOR » Fri Apr 25, 2014 6:17 pm

Well I had a high-flow 200CPI unit fitted to mine from a place near Bristol (Nemesis Exhausts) for £150 fully fitted. A few of the guys seem to have sourced good units on eBay as per previous links, so might be worth trying that.

I plan to fit my decat again soon anyway, been running the car about 5 years without it and REALLY miss the scream when in VTEC.
1999 Honda Prelude 2.2 VTI Motegi (H22A8/BB8) - 5G parts wanted
2005 Ducati 999S

derrick1988
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Post by derrick1988 » Fri Apr 25, 2014 8:58 pm

yeah ive got a decat here and well tempted to use it but if I get one off ebay its looking like a weld job and so I will never get to fit it hence my struggle for a flange end high flow. loli will continue searching ...

derrick1988
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Post by derrick1988 » Tue May 20, 2014 8:07 pm

just off phone to Honda for an oem cat as high flow seems to be an endless search of nothing for what im looking for, they are on back order just now and are going for the cheep price of £600 a CAT!!!!! I got put through from a good man on here to pipe dynamics in leven so think im gona go ahead and get a custom mani back to sports cat through him for the same price I can get a standard cat from Honda lol .

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Post by SPYDOR » Tue May 20, 2014 8:18 pm

OE Honda prices!!! :o :lol:
1999 Honda Prelude 2.2 VTI Motegi (H22A8/BB8) - 5G parts wanted
2005 Ducati 999S

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