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The mkiv Supra Owners Club

whats a cat?


Guest farnell182
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Guest farnell182

not the ones that meow! various people mention de-cat and replacing cat for mot. whats the reason for removing them and whats their purpose? cheers

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A cat is used to catch all the harmful gases that comes out of your engine (co2 etc), doing this it makes the exhaust very restrictive, I.E doesn't let gases through as easily as a car fitted without a cat!

 

Decating will help the exhaust gases flow out of the engine more freely and help your turbo's boost higher, obviously if you try to raise your turbo's boost with the cats still in you'll have a load of blown gases hitting a brick wall in effect, which will cause damage to your turbo's when the blown gas is forced back through the turbo trying to escape!

 

HTH :)

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obviously if you try to raise your turbo's boost with the cats still in you'll have a load of blown gases hitting a brick wall in effect, which will cause damage to your turbo's when the blown gas is forced back through the turbo trying to escape!:)

 

Hmmmmm :search:

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Guest farnell182
If you tell us what car you have we can tell you what difference it will make removing the catalytic convertors.

 

erm..well..Focus TDCI lol

 

Or if you know some one that will give you an MOT certificate cat or no cat makes life easyer!! Not that i would know of coarse!

 

yeah i know of one lol

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