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Extra Long Catalytic Converter? #1642890
24/07/2020 11:59
24/07/2020 11:59
Joined: Mar 2006
Posts: 626
Westcliff-on-sea,essex
aust_powers Offline OP
Enjoying the ride
aust_powers  Offline OP
Enjoying the ride

Joined: Mar 2006
Posts: 626
Westcliff-on-sea,essex
Hi all,

Happy Friday!

So I had a new Cat back stainless steel exhaust fitted by PipeCraft in Basildon and very nice it is too see pics:) Much nicer sound and it's not held on by metal tie wraps like the previous one!

However the fitter noted that the cat box was staring to rattle internally when he was fitting the exhaust indicating it's breaking up and I had noticed a noise previously but just thought it was part of the exhaust. So in the near future I will need a new Cat, which he is happy to fit, but what he did show me was a photo of the cat box which he said was long for standard cat?

He will do some ringing around for me but I thought I would check here, do we have longer cat boxes than normal? would a replacement be smaller? His concerns were that it was that size for a reason and that a normal size cat may not pass the emissions and was thinking along the lines of two cats inline?

Any help appreciated smile

Attached Files
ex1.jpg (155 downloads)
ex2.jpg (162 downloads)
ex3.jpg (159 downloads)
ex4.jpg (149 downloads)

GT28rs,Pro alloy FMIC,Blueflame exhaust,SIP, Bosch 440cc,Helix organic clutch,Stage 3,331bhp,295lbft
Re: Extra Long Catalytic Converter? [Re: aust_powers] #1642891
24/07/2020 12:23
24/07/2020 12:23
Joined: Mar 2008
Posts: 5,095
highlands
jimboy Offline
Club Member 857
jimboy  Offline
Club Member 857
Forum is my life

Joined: Mar 2008
Posts: 5,095
highlands
I think I’ve a long cat’ on my Coop.


I'm an old git & happy with it,most of the time
Re: Extra Long Catalytic Converter? [Re: aust_powers] #1642892
24/07/2020 13:46
24/07/2020 13:46
Joined: Apr 2010
Posts: 1,184
norwich, norfolk
adam16vt Offline
Enjoying the ride
adam16vt  Offline
Enjoying the ride

Joined: Apr 2010
Posts: 1,184
norwich, norfolk
A normal 20v/t cat is just under 80cm long if memory serves

I don’t think they are available new, so you’ll probably end up with a pattern part from euro car parts

Personally I’d get a sport cat made up, less restrictive than the oem unit but still mot friendly

Last edited by adam16vt; 24/07/2020 13:46.
Re: Extra Long Catalytic Converter? [Re: aust_powers] #1642939
26/07/2020 11:11
26/07/2020 11:11
Joined: Apr 2014
Posts: 86
Norway
ePiFaNT Offline
Club member 1413
ePiFaNT  Offline
Club member 1413
Reaping the fruits

Joined: Apr 2014
Posts: 86
Norway
Second this. Adam's memory is correct, the whole thing is 75cm long. I just changed mine as it didnt pass MOT on emissions. I went with a 200 cell "race cat". CO of 0.95 with old cat, 0.01 with the new. Is's shorter, but I used step adapters wich adds a bit. Not meant as a recommendation, just wanted to clarify what worked for me. I needed the car for a upcoming roadtrip, and this cat was in stock locally.

EDIT: this one, model number CAT036M: http://www.redbackconverters.com/200-cpsi-oval-with-tube-ends/

Last edited by ePiFaNT; 26/07/2020 11:28.
Re: Extra Long Catalytic Converter? [Re: aust_powers] #1642945
26/07/2020 18:07
26/07/2020 18:07
Joined: Mar 2006
Posts: 626
Westcliff-on-sea,essex
aust_powers Offline OP
Enjoying the ride
aust_powers  Offline OP
Enjoying the ride

Joined: Mar 2006
Posts: 626
Westcliff-on-sea,essex
Thanks for everyone's input 😊 I will be enquiring about a race cat once were back from Cornwall

Austin


GT28rs,Pro alloy FMIC,Blueflame exhaust,SIP, Bosch 440cc,Helix organic clutch,Stage 3,331bhp,295lbft
Re: Extra Long Catalytic Converter? [Re: aust_powers] #1644549
23/09/2020 14:35
23/09/2020 14:35
Joined: Apr 2015
Posts: 575
Ayrshire
ScouseCoupe Offline
Enjoying the ride
ScouseCoupe  Offline
Enjoying the ride

Joined: Apr 2015
Posts: 575
Ayrshire
Originally Posted by aust_powers
Thanks for everyone's input 😊 I will be enquiring about a race cat once were back from Cornwall

Austin


Get the compact cat, I exchanged mine from the original. B&M part number is BM90379. Length 760mm, Weight 3.8kg. Can be purchased for less than £60.00 now as not much demand. mine now 4 years old and still looks new


1999 Rosso Corsa 20VT ( Restored )
2000 Rosso Alfa 916 Spider 2.0 T.S Lusso ( Under Restoration)


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