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Decar or Sports high flow Cat?

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Old 27 June 2008, 06:01 PM
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DarrenSTI
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Default Decat or Sports high flow Cat?

Following on from a thread I did a couple of days ago regarding remaps/decats, I have since been told by my Insurance company that thay would want to see it pass an MOT with a full decat to continue the policy.
I'm guessing theres no way in hell a car would do this, so a High flow cat would be the answer. Basically the insurance company only insure road worthy cars (to put it bluntly).

So heres my next question, apart from sticking a cat on MOT time what else do you guys do if you have a Full Decat fitted?, also if your in an accident and the insurance company see you have a decat its not road worthy, so valid insurance.

Trouble is these high flow cat are very pricey, around £300 over a cat pipe for £80 (I can see the attraction).

Thanks in advance
Daz

Last edited by DarrenSTI; 28 June 2008 at 07:09 PM.
Old 28 June 2008, 06:52 PM
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Mark'sWRX
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I'd say that unless you know a 'friendly' tester who would have to stick the emissions probe up the back end of another car to bypass the computer system, the it's got to be a sports cat.

If you have to spend approx 5 hrs each year fitting your old downpipe the day before and removing the next day AND run the risk of failing a roadside test AND invalidating your insurance, then I'd pay the extra £220.
Old 28 June 2008, 07:08 PM
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DarrenSTI
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As good as a decat sounds etc, its not worth the risk of either a spot check or an insurance claim. So a high flow cat it will be, been in contact with H&S today and have been quoted £475 +vat for a 100 cell cat, which is different to their web-site . A prodrive cat was sugested, but they only tend to turm on on ebay, I'll maybe have to keep an eye out on ther for sale section on here.
Old 28 June 2008, 08:51 PM
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Mark'sWRX
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Can't say how good they are, but Scoobyworld do one for £300 and TSL's is £395 inc VAT.

I paid £200 for a good s/h Prodrive one from ebay. I've seen new ones go for around £250. That's what I'd look for if you're not in a hurry.
Old 28 June 2008, 08:54 PM
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DarrenSTI
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Think I'll have another chat to my tuners about a HF cat and see where we go!.
Old 28 June 2008, 09:20 PM
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I went with a Prodrive one too, also paid £200. Andy Forrest who mapped the car was impressed with how it performed compared to a decat...
Old 28 June 2008, 09:24 PM
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DarrenSTI
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Pretty much sorted then. Source a prodrive or similar, at a good price mind.
Old 29 June 2008, 10:42 AM
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Mark'sWRX
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There are 2 currently on ebay. One goes today and is at £120 at the mo, but it looks like the old style which should have a heat cover round it.

The other is the new style and is up to £130, but still has a few days to run. I'd put a bid of a little over £200 for that one, personally, when it's a minute or so to go.
Old 29 June 2008, 05:55 PM
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Got the Scoobyworld Sports cat downpipe on my car and she flies through the M.O.T every time.
Old 29 June 2008, 06:57 PM
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If I were to say but a different brand from the H&S system I have on already, would they fit i.e. line up. Because I think the Scoobyworld one is described as a Ninja?.
Old 29 June 2008, 10:01 PM
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Mark'sWRX
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I can't tell you which, but I think some are longer and mean you have to remove the short 2nd cat section (no bad thing).
Old 30 June 2008, 05:36 AM
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Originally Posted by Mark'sWRX
I'd say that unless you know a 'friendly' tester who would have to stick the emissions probe up the back end of another car to bypass the computer system, the it's got to be a sports cat.

If you have to spend approx 5 hrs each year fitting your old downpipe the day before and removing the next day AND run the risk of failing a roadside test AND invalidating your insurance, then I'd pay the extra £220.

You have got it 100% in my eyes. That's the reason I went for a Sports Cat on my system from RCM.

The Sports cat is not cheap but worth its weight in gold I think. I'm due my MOT end of July and to be honest I am crapping it. The reason, yes I have a sports cat but I have the Team Ice system back box,non res centre and just the sports cat down pipe!!! Pheeeeeeerp. It should pass mind you.

Steve
Old 30 June 2008, 09:13 AM
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As GONZ said above, my Ninja Sports Cat also flies through the MOT on its own.

Mine has passed twice now, with Magnex backbox and centre.

Also, its not even hot when they test it. Last month I drove 1 mile, dropped it off @ 8:30am and they tested it @ 4:00pm. Passed easily.
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