Hi-flow Cat
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Hi-flow Cat - 2/5/2008 12:05:49 AM
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dimmuborgir6nik6
Posts: 455
Joined: 8/13/2007
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So I think my next upgrade will be the Magnaflow hi-flow cat. A new muffler is good, but the cat is still 12 years old and rusted.
Would the hi-flow cat make the sound any better? I know the cat's got a sound of it's own, so with the new cat and the FM 40, I'm guessing it would be a good combination for the best sound. Especially because the flow's gotta pass through the cat first, and if it's gonna hit some old cat that prob kills a lot of the sound, it's losing a lot of that power and sound. Anyone ever put a Magnaflow hi-flow cat on their truck?
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1996 Chevy Blazer 4 door 4x4 4.3L Vortec
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Flowmaster 40 Series
Westin grille guard
Sylvania Silverstar Ultra High Beams
Sylvania Silverstar Ultra Low Beams
AEM Brute Force
Pioneer deck
Polk audio
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RE: Hi-flow Cat - 2/5/2008 12:08:20 AM
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thegr81
Posts: 2621
Joined: 1/16/2007
From: PHOENIX,AZ
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I found a magnaflow high flow cat that I contacted the person who own's it and I am currently waiting to hear back about it but I am going to put one on mine!!
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2001 2wd 4.3 vortec v6
"I'm not fat, I'm a minitrucker"
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RE: Hi-flow Cat - 2/5/2008 12:10:12 AM
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dimmuborgir6nik6
Posts: 455
Joined: 8/13/2007
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Nice! I'm pretty interested in putting one on my truck, I just gotta find the right type and the right fit and what not.
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1996 Chevy Blazer 4 door 4x4 4.3L Vortec
-----------------------------------------
Flowmaster 40 Series
Westin grille guard
Sylvania Silverstar Ultra High Beams
Sylvania Silverstar Ultra Low Beams
AEM Brute Force
Pioneer deck
Polk audio
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RE: Hi-flow Cat - 2/5/2008 12:11:11 AM
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thegr81
Posts: 2621
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From: PHOENIX,AZ
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As long as you get one that is 2.50 inlet outlet your good anything more and its a waste!!
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2001 2wd 4.3 vortec v6
"I'm not fat, I'm a minitrucker"
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RE: Hi-flow Cat - 2/5/2008 12:21:04 AM
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dimmuborgir6nik6
Posts: 455
Joined: 8/13/2007
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That's what I figured, but last time I checked there were so many different types, I don't even know why.
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1996 Chevy Blazer 4 door 4x4 4.3L Vortec
-----------------------------------------
Flowmaster 40 Series
Westin grille guard
Sylvania Silverstar Ultra High Beams
Sylvania Silverstar Ultra Low Beams
AEM Brute Force
Pioneer deck
Polk audio
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RE: Hi-flow Cat - 2/5/2008 12:40:21 AM
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thegr81
Posts: 2621
Joined: 1/16/2007
From: PHOENIX,AZ
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Like what is the differences you seen in all the other types, just inlet/outlet size or internal construction??
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2001 2wd 4.3 vortec v6
"I'm not fat, I'm a minitrucker"
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RE: Hi-flow Cat - 2/5/2008 12:51:26 AM
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dimmuborgir6nik6
Posts: 455
Joined: 8/13/2007
Status: online
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I think it was both, which is why I wasn't sure what to get internal construction wise.
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1996 Chevy Blazer 4 door 4x4 4.3L Vortec
-----------------------------------------
Flowmaster 40 Series
Westin grille guard
Sylvania Silverstar Ultra High Beams
Sylvania Silverstar Ultra Low Beams
AEM Brute Force
Pioneer deck
Polk audio
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RE: Hi-flow Cat - 2/5/2008 12:55:53 AM
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dimmuborgir6nik6
Posts: 455
Joined: 8/13/2007
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Hmm, California model? I'd run straight pipes if it was legal. :P
I want something loud, I don't care about effeciency. I'll check this site out more though. Thanks bro.
_____________________________
1996 Chevy Blazer 4 door 4x4 4.3L Vortec
-----------------------------------------
Flowmaster 40 Series
Westin grille guard
Sylvania Silverstar Ultra High Beams
Sylvania Silverstar Ultra Low Beams
AEM Brute Force
Pioneer deck
Polk audio
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RE: Hi-flow Cat - 2/5/2008 1:17:51 AM
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thegr81
Posts: 2621
Joined: 1/16/2007
From: PHOENIX,AZ
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No problem, I looked at it from an obd2 stand point for your sensors!! Well good luck, hope you find what your looking for!!!
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2001 2wd 4.3 vortec v6
"I'm not fat, I'm a minitrucker"
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RE: Hi-flow Cat - 2/5/2008 5:21:47 AM
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swartlkk
Posts: 14530
Joined: 5/1/2005
From: Waterloo, NY
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I have used Magnaflow cats on a few different applications. A street/strip cars (L67 powered Grand Prix) that I helped build with a friend as well as a few on work trucks of my dad's. All worked good and didn't really have any problems that were the fault of the cat.
You typically will not get the service life out of an aftermarket catalytic converter that you will out of the OEM, but that is why they are cheaper. Provided that they do not rust out and the engine is kept in proper operating condition, most OEM cats can last longer than the rest of the vehicle.
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Kyle-
04 Rainier
My Restoration Projects
Please Do Not PM for Tech Help
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RE: Hi-flow Cat - 2/6/2008 10:09:26 PM
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dimmuborgir6nik6
Posts: 455
Joined: 8/13/2007
Status: online
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Yeah, it's not so much the life of the cat, it's just that I wanna know if the high flow cat changes the sound of the exhaust at all. I'd like to open up the sound a bit more.
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1996 Chevy Blazer 4 door 4x4 4.3L Vortec
-----------------------------------------
Flowmaster 40 Series
Westin grille guard
Sylvania Silverstar Ultra High Beams
Sylvania Silverstar Ultra Low Beams
AEM Brute Force
Pioneer deck
Polk audio
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RE: Hi-flow Cat - 2/6/2008 10:15:32 PM
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otnietdehoooo
The Chop Shop Moderator
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From: Ft. Worth, TX
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headers would be the best for that...
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Matt - 98 4DR 4WD
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RE: Hi-flow Cat - 2/7/2008 4:24:24 AM
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blazinloud
Posts: 2425
Joined: 2/8/2006
From: Saskatoon, Canada
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well when i originally only had on my v-force muffler it sounded ok, but my cat was toast.....so I took it out and I'd say it nearly doubled in loudness.....
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RE: Hi-flow Cat - 2/7/2008 3:02:27 PM
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dimmuborgir6nik6
Posts: 455
Joined: 8/13/2007
Status: online
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Yeah, only it's illegal to not have them. I wish it wasn't, because I'd be running dual straight pipes.
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1996 Chevy Blazer 4 door 4x4 4.3L Vortec
-----------------------------------------
Flowmaster 40 Series
Westin grille guard
Sylvania Silverstar Ultra High Beams
Sylvania Silverstar Ultra Low Beams
AEM Brute Force
Pioneer deck
Polk audio
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RE: Hi-flow Cat - 2/7/2008 3:04:45 PM
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blazinloud
Posts: 2425
Joined: 2/8/2006
From: Saskatoon, Canada
Status: offline
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It's not really enforced here where I am.
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RE: Hi-flow Cat - 2/7/2008 9:05:33 PM
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a_tack
Suspension Tech Moderator
Posts: 1287
Joined: 4/5/2006
From: Ashland, Kentucky
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will the brand of cat make any difference in sound or is a high flow cat a high flow cat no matter how you look at it... like will catco or magnaflow or dynomax, etc.. sound any different say with flowmaster 40 series duals?? also, what can you do about your oxygen sensor so it doesnt throw a code causing the SES light to come on??
< Message edited by a_tack -- 2/7/2008 9:11:18 PM >
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-Aaron
"Wherefore, my beloved brethren, let every man be swift to hear, slow to speak, slow to wrath." -James 1:19
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