removing 2nd cat

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May 20, 2003 | 06:00 PM

mazdaproud

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removing 2nd cat

would yield any power gains? any cat is a restriction but would I gain any HP by removing it?

May 20, 2003 | 08:29 PM

mazdaproud

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yes, the 2nd cat its robbing power from the engine but the question is would removing it increase the STOCK (already robbed) HP?

May 21, 2003 | 09:52 AM

user 11897647645

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Removing the second cat won't give you any noticable gains. It isn't really all that restrictive as it is, plus your car may not pass emissions testing.

May 21, 2003 | 04:14 PM

Bluethumb

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From: Toronto

Can someone set me straight. I was under the impression (like Protegé Menacé) that there's a cat., a resonator, and a muffler.
Whats this about two Cats?

-Bt

May 21, 2003 | 05:09 PM

mazdaproud

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the first cat is even before the car and the second one is under the car

May 21, 2003 | 05:42 PM

carguycw

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Posts: 1,122

From: Dallas, Texas

Quote:

Originally posted by Bluethumb
Can someone set me straight. I was under the impression (like Protegé Menacé) that there's a cat., a resonator, and a muffler.
Whats this about two Cats?

Read the FAQ.

It depends on the model year of your car.