What Cat is this?
Thread Starter
Melting Slicks
Joined: Jul 2004
Posts: 2,295
Likes: 14
From: Grand Sport #82
What Cat is this?
Well i just bought a used system today. Headers, front Y, and Cat.
it would be nice to know what type cat this is. High flow, standard etc.., to get an idea how much it will muffel the sound, AND how much it will restrict..
Any guesses?
it would be nice to know what type cat this is. High flow, standard etc.., to get an idea how much it will muffel the sound, AND how much it will restrict..
Any guesses?
Safety Car
Joined: Oct 2002
Posts: 3,991
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From: Phoenix AZ
I did last year with the stock cam, and that was a dyno test. Ran it lean and tested it first thing in the morning after leaving the car at the shop at night so that the motor was cold enough not to produce much N0x.
Team Owner
Joined: Nov 2000
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From: I was a young troubadour when I rode in on a song, and I'll be an old troubadour when I'm gone.
St. Jude Donor '08
Originally Posted by Lars87
Sorry...but i dont really know what that means?
.....but im thinkg its not good...
.....but im thinkg its not good...
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Safety Car
Joined: Oct 2002
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From: Phoenix AZ
Hoover dam is a big dam in the river, holds up the flow, tons of backpressure, basically its the worst part of the whole exhaust system is what he means..........it's a Wold Class Turd Cat, follow?
Safety Car
Joined: Dec 2004
Posts: 4,088
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From: Poop land
Originally Posted by Chance
The Hoover Dam is to water as that cat is to exhaust gas.
Could it be helpful for most car-nut 2007 high school grads on the SAT/ACT? The test I took in 2000 was lame and lacked that precise automotive terminology! 
Team Owner
Joined: Aug 2000
Posts: 40,156
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From: San Pedro CA
Originally Posted by stubbs
Hoover dam is a big dam in the river, holds up the flow, tons of backpressure, basically its the worst part of the whole exhaust system is what he means..........it's a Wold Class Turd Cat, follow?
That's why I still recommend the dual cats, x-pipe and cat back system. It will provide great flow, excellent scavaging and enough backpressure for the engine to perform right... and you will pick up 30hp doing it over the stock one you currently have.
Team Owner
Joined: Nov 2000
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From: I was a young troubadour when I rode in on a song, and I'll be an old troubadour when I'm gone.
St. Jude Donor '08
Originally Posted by kopbet89c4
I like that analogy. Could it be helpful for most car-nut 2007 high school grads on the SAT/ACT? The test I took in 2000 was lame and lacked that precise automotive terminology!
Could it be helpful for most car-nut 2007 high school grads on the SAT/ACT? The test I took in 2000 was lame and lacked that precise automotive terminology! How much more fun could the ACT/SAT test be if the Corvette Forum wrote the questions?
Safety Car
Joined: Oct 2002
Posts: 3,991
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From: Phoenix AZ
bogus a dual cat system will not pass a visual inspection. I know its ridiculous but it is illegal to change any system design from the factory, even from 1 to 2 cats, even if it is actually cleaner, it still is illegal and will not pass.
Thread Starter
Melting Slicks
Joined: Jul 2004
Posts: 2,295
Likes: 14
From: Grand Sport #82
Thanks. I got it now.... Standard cat bad, Lars follows. 
I got a Standard cat thats guttered too, but I think that will be Loud..
LPE headers, No cat, freeflow mufflers.....
I got a Standard cat thats guttered too, but I think that will be Loud..
LPE headers, No cat, freeflow mufflers.....
Melting Slicks
Joined: Dec 2003
Posts: 2,487
Likes: 1
From: Sydney
Originally Posted by bogus
more accurately, the worst part of the L98 exhaust system.
That's why I still recommend the dual cats, x-pipe and cat back system. It will provide great flow, excellent scavaging and enough backpressure for the engine to perform right... and you will pick up 30hp doing it over the stock one you currently have.
That's why I still recommend the dual cats, x-pipe and cat back system. It will provide great flow, excellent scavaging and enough backpressure for the engine to perform right... and you will pick up 30hp doing it over the stock one you currently have.
Is there a place I can order the rest of the system you recommend Bogus? (x-pipe and dual cats).....
so does the x-pipe replace the Y pipe?
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