CRB 553
Member
Registered: 5th Apr 02
Location: NE Drives: Punto GT
User status: Offline
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Just a little trick, take the cat off and smash out the insides with a metal bar and hammer shake it around to get the pieces out and reattach.
Your car should still pass the emmissions test without the cat even though it will b tested as having a cat bcoz as far as the tester is concerned its present. Ur engine shud b in fairly gud condition to do this though.
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Fraser Young
Member
Registered: 26th Dec 02
Location: Dundee City Drives: 58 Impreza WRX
User status: Offline
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Wont emissions be sky high tho when they test?
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miles
Member
Registered: 25th Mar 02
Location: plymouth Drives: Astra Sport
User status: Offline
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So is it running well now?
Having a big empty box in your exhaust system isn't ideal though.....
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CRB 553
Member
Registered: 5th Apr 02
Location: NE Drives: Punto GT
User status: Offline
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like i said ur car will b tested as having a cat but it wont effectively so ur engine shud b in good condition if ur gonna do it.
I put mine through a cat test with no cat and mine passed...
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CRB 553
Member
Registered: 5th Apr 02
Location: NE Drives: Punto GT
User status: Offline
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miles- ive got a pvd decat pipe, its just sumthing av done for a mate. 
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MikeH
Member
Registered: 3rd Apr 03
User status: Offline
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If your car passed a cat emmisions test without a cat then you were lucky!
I would guess most cars wouldn't.
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CRB 553
Member
Registered: 5th Apr 02
Location: NE Drives: Punto GT
User status: Offline
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depending on the condition / age of ur car, its more likely to fail with a cat coz when they get blocked up they just makes things worse....
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MikeH
Member
Registered: 3rd Apr 03
User status: Offline
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hmmmmm, so what is the point of cats all together then?
you WILL be releasing more dangerous gasses without a cat..... simple..
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CRB 553
Member
Registered: 5th Apr 02
Location: NE Drives: Punto GT
User status: Offline
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u'd b surprised at the difference they make on a clean engine.
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mav
Member
Registered: 19th Jun 01
Location: Scotland
User status: Offline
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My car passed mot emissioms with a decat pipe too....
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MikeH
Member
Registered: 3rd Apr 03
User status: Offline
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Hmmm, but the MOT guy should have failed it for not having a CAT anyway!
By the way, how easy is it to swap the cat in and out for a decat pipe?
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mav
Member
Registered: 19th Jun 01
Location: Scotland
User status: Offline
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Yeah but I sort of know a man like... He knew there was no cat but done emissions test and it passed....
I don't need to swap em over...
But not that hard I would think...Depends how fitted though..clamps welds etc..
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