Install Magnaflow or Factory Cat? - JeepForum.com

 
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post #1 of 12 Old 06-21-2010, 06:21 PM Thread Starter
ZJ5point2GCL
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Install Magnaflow or Factory Cat?

I just bought a High Flow Cat from Magnaflow, but i also have a factory cat from a friend. The jeep didn't come with a cat, and when i put my headers and cat back on i didn't either (I know, I know, I regret it).
So my question is, install the Factory Cat? or the Magnaflow one?

Would i be killing my exhaust upgrades with a factory one? Or how much better is the Magnaflow one?


Thanks for your input


98 Deep Slate Niner- 6''s on 35's ---11 F150 Platinum Pearl White- Modded Tiny V6 with Two Turbos. ---93 Black 5.2 limited- Slowly dying in my Parents Driveway
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post #2 of 12 Old 06-21-2010, 08:28 PM
Ricochet88
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magnaflow i have one it flows much better

Rick "woody"
93 zj wagoneer pkg, 5in iro lift, 33/10.5/15 bfgoodrich km2
my build thread
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post #3 of 12 Old 06-21-2010, 08:53 PM Thread Starter
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Quote:
Originally Posted by Ricochet88 View Post
magnaflow i have one it flows much better
Did you notice any loss of low end tourqe?, like other people have mentioned in other threads.

98 Deep Slate Niner- 6''s on 35's ---11 F150 Platinum Pearl White- Modded Tiny V6 with Two Turbos. ---93 Black 5.2 limited- Slowly dying in my Parents Driveway
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post #4 of 12 Old 06-21-2010, 08:57 PM Thread Starter
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Also did you just clamp it on? Or weld it?

98 Deep Slate Niner- 6''s on 35's ---11 F150 Platinum Pearl White- Modded Tiny V6 with Two Turbos. ---93 Black 5.2 limited- Slowly dying in my Parents Driveway
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post #5 of 12 Old 06-21-2010, 10:22 PM
ratmonkey
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No question....magnaflow.

'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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post #6 of 12 Old 06-21-2010, 10:51 PM
xJoshxx
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Magnaflow Weld it clamp Mufflers if you change em alot

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post #7 of 12 Old 06-21-2010, 10:54 PM
Ricochet88
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i have mine all welded and i didnt notice a lowend loss def alot of top end increase, i had a glasspack at first now that lost alot of lowend

Rick "woody"
93 zj wagoneer pkg, 5in iro lift, 33/10.5/15 bfgoodrich km2
my build thread
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post #8 of 12 Old 06-21-2010, 11:03 PM Thread Starter
ZJ5point2GCL
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Quote:
Originally Posted by Ricochet88 View Post
i have mine all welded and i didnt notice a lowend loss def alot of top end increase, i had a glasspack at first now that lost alot of lowend
How did you weld it to the mild steel, it being stainless?

98 Deep Slate Niner- 6''s on 35's ---11 F150 Platinum Pearl White- Modded Tiny V6 with Two Turbos. ---93 Black 5.2 limited- Slowly dying in my Parents Driveway
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post #9 of 12 Old 06-21-2010, 11:04 PM
ratmonkey
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With nickel rod I'm sure.

'97 zj 5.2, some stuff, some other suff, and some things that even work sometimes.

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post #10 of 12 Old 06-21-2010, 11:25 PM
Ricochet88
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idk the muffler shop did it

Rick "woody"
93 zj wagoneer pkg, 5in iro lift, 33/10.5/15 bfgoodrich km2
my build thread
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post #11 of 12 Old 06-21-2010, 11:43 PM Thread Starter
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Quote:
Originally Posted by Ricochet88 View Post
idk the muffler shop did it
o ok lol, too bad all the muffler shops here are either criminals or completely useless.
To day i argued with one shop that stainless steel exhaust tubing existed, and with another that wanted 500$ bucks for 10"s of tubing and to weld in a cat that i provided. And another that wouldn't even help me because i am "an 18 year old punk thats going to rip him off" how the heel can i rip him off if i am the one about to spend probably 100$ for 15 minutes of work.

I could easily do it my self if i had a hydraulic expander and a tig or a mig with gas.:

98 Deep Slate Niner- 6''s on 35's ---11 F150 Platinum Pearl White- Modded Tiny V6 with Two Turbos. ---93 Black 5.2 limited- Slowly dying in my Parents Driveway
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post #12 of 12 Old 06-28-2010, 02:36 PM Thread Starter
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well i got it installed a couple days ago, the only issue is i didn't allow enough room for heat expansion, where it goes over the axel then in front of the fuel tank, when its cold it has about 3/4'' clearance but when its hot, it gets so close it rattles over bumps, so ill have to fix that.
but other wise i am glad i went with the highflow, i cant even imagine how bad the factory cat would be, before it had plenty of power on the highway, now you have to get in the gas pretty hard to speed up or pass, and it drops a couple gears to 4500 rpm before it really starts moving.

98 Deep Slate Niner- 6''s on 35's ---11 F150 Platinum Pearl White- Modded Tiny V6 with Two Turbos. ---93 Black 5.2 limited- Slowly dying in my Parents Driveway
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