Any high flow cat recommendation?
Thread Starter
TECH Enthusiast
Joined: Oct 2002
Posts: 502
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From: Goleta, CA
Any high flow cat recommendation? hey all, i'm looking for a good high flow cat recommendations for out in cali, the cops are really starting to bust down on fixed up cars where i'm at. Some of my friends have already been cought and sent to the referie, so I want to replace my gutted cats before i get popped 
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TECH Apprentice
Joined: Oct 2003
Posts: 308
Likes: 0
From: Rochester, NY
I would recommend Random Tech high flow cats. They are supposed to be the best quality aftermarket cats for LS1's. If your on a very tight budget you can get carsound cats for a lot less $$ but I heard they have had problems passing sniffer tests once they are a few years old. Might just be rumors but it's enough for me to want Random Techs on my car this summer when I get my LT headers installed.
Good Luck
Good Luck
TECH Resident
Joined: Jan 2004
Posts: 960
Likes: 1
From: Vacaville CA
I was told that Magnaflow cats were better then Random not
sure on Carsound. I talked to about 5 shops & online vendors
about Magnaflow, all had good things to say about them.
Kooks was one of them.
00 Z28 A4
MAS PORTED,EGR
FRA,LID,LOUDMOUTH
WINGS WEST KIT,
ZL1 HOOD, CROME
Z EMBLEMS
sure on Carsound. I talked to about 5 shops & online vendors
about Magnaflow, all had good things to say about them.
Kooks was one of them.
00 Z28 A4
MAS PORTED,EGR
FRA,LID,LOUDMOUTH
WINGS WEST KIT,
ZL1 HOOD, CROME
Z EMBLEMS
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Originally Posted by BigBlackZ28
Carsound = Magnaflow.
my vote goes to carsound, a paire can be had for under 150 bucks easy, you cant beat that price.
i would go with some carsounds or something cheaper. I had a friend with random techs on his Z06 and the damn things blew out and shattered his O2 sensors. He drove it for 2 months and was pissed. Took him 2 months before he figured out why it was running like crap.
TECH Fanatic
Joined: Jan 2003
Posts: 1,415
Likes: 1
From: San Diego/Schertz,Texas
What about size? The ones in that link look huge? I recently bought some pacesetters and will have a custom y-pipe made with a flowmaster collector but, I want to add cats for sound quality. input please 
TECH Fanatic
Joined: Jan 2003
Posts: 1,415
Likes: 1
From: San Diego/Schertz,Texas
Originally Posted by shawn's SS
What about size? The ones in that link look huge? I recently bought some pacesetters and will have a custom y-pipe made with a flowmaster collector but, I want to add cats for sound quality. input please
Launching!
Joined: Aug 2002
Posts: 253
Likes: 1
From: Decatur, IL
Keep searching for Carsound/Magnaflow on ebay--you will find them for $31.50 each. Two shipped for under $90.
The ones in the link look big because they might be the 94000 series. The 94100 series is a shorter version of the 94000 series with the same coverage. I got the 94109's.
The ones in the link look big because they might be the 94000 series. The 94100 series is a shorter version of the 94000 series with the same coverage. I got the 94109's.
Joined: Nov 2001
Posts: 34,629
Likes: 2,550
From: Schiller Park, ILL Member: #317
Originally Posted by Tdawg
hey all, i'm looking for a good high flow cat recommendations for out in cali, the cops are really starting to bust down on fixed up cars where i'm at. Some of my friends have already been cought and sent to the referie, so I want to replace my gutted cats before i get popped .
.
I'd never live in a place where lack of emissions equpt. is actually taken seriously. That's BS.
The last time I had an "emissions legal" performance car was, well..... uh....hmmm,.... never?
At least not in the last 8+ years or so. 
Originally Posted by shawn's SS
What about size? The ones in that link look huge? I recently bought some pacesetters and will have a custom y-pipe made with a flowmaster collector but, I want to add cats for sound quality. input please
