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Magnaflow Cat AIR tube too short?

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Old 07-29-2012 | 05:40 PM
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Magnaflow Cat AIR tube too short?

I haven't driven my Z in years and it is time to freshen it up and drive it again. I have had a Magnaflow cat on the shelf for a long time as well. So I am going to start with installing parts that I have already purchased.

Good thing that I did take the old one off, as the honeycomb was in pieces inside.

But just doing a test fit, it looks like my A.I.R. tube is not going to directly hook up. Anyone ever run into this issue?

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Old 07-30-2012 | 08:10 PM
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Re: Magnaflow Cat AIR tube too short?

I was thinking of checking to see if NAPA had any kind of tubing but didn't know if they carried anything like that. Plus it looks like the AIR tube is stainless or something, so I can't weld anything up, will need some clamp in solution.
Old 07-30-2012 | 10:28 PM
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Car: 1989-92 FORMULA350 305 92 Hawkclone
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Re: Magnaflow Cat AIR tube too short?

Isn't the magnaflow cat a lot shorter than the factory one?
I'm thinking the shorter cat and its all the way to the rear so it moves the air tube farther rearward away from your factory tube..
Set them side by side and compare.
Old 08-02-2012 | 07:38 PM
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Re: Magnaflow Cat AIR tube too short?

Yeah, I've been meaning to put them side by side, so I did that tonight.

As you'll see with the original cat, I already had cut off the AIR tube going into the cat, as I was going to take that down to NAPA and see if they had any piping like that.

It looks like the AIR tube from the engine is some sort of stainless? How about the cat, what is it made of?

And anyone install a Magnaflow cat and run into this issue?

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Old 08-02-2012 | 08:20 PM
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Re: Magnaflow Cat AIR tube too short?

Its stainless, you need to lengthn either tube.
Old 08-02-2012 | 09:15 PM
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Re: Magnaflow Cat AIR tube too short?

Afraid of the fact these are both stainless, can't weld anything. What are the chances that I can find something at NAPA??
Old 08-02-2012 | 09:42 PM
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Re: Magnaflow Cat AIR tube too short?

I put that same cat on my 91. NAPA does have an air tube kit, comes with heat resistant hose and clamps. About 30 bucks. Part # exh 35574

Last edited by Mikeo91; 08-02-2012 at 09:46 PM.
Old 08-03-2012 | 04:43 AM
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Re: Magnaflow Cat AIR tube too short?

Originally Posted by Mikeo91
I put that same cat on my 91. NAPA does have an air tube kit, comes with heat resistant hose and clamps. About 30 bucks. Part # exh 35574

Nice! U 'da man!!

I'll be checking to see if they have that today.
Old 08-04-2012 | 07:06 PM
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Re: Magnaflow Cat AIR tube too short?

Originally Posted by Mikeo91
I put that same cat on my 91. NAPA does have an air tube kit, comes with heat resistant hose and clamps. About 30 bucks. Part # exh 35574

Thank you for the dead-on information Mikeo!!!

Picked up this kit from NAPA the other night. Probably install it tonight or tomorrow.

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