[NJ] ISO dual cat set up
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Joined: Jun 2014
Posts: 360
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From: South Jersey
Car: 88 GTA Notch/01'WS-6 VERT
Engine: 5.0 LB-9/5.7 LS-1
Transmission: 700R-4/4L60
Axle/Gears: borg warner 3.27's
ISO dual cat set up
Looking for a dual cat set up for my car any help would be great located in nj willing to travel within a reasonable distance thanks!
Re: ISO dual cat set up
Magnaflow if you want stainless steel and mandrel bends. Dynomax or pretty much any of the others if you want something more representative of stock. I'd avoid a used original, the catalyst seems to shrink with age. They'll start rattling, and eventually break up and plug the exhaust.
Joined: Sep 2000
Posts: 2,504
Likes: 195
From: Moorpark, CA
Car: '91 GTA, '92 T/A Convertible
Engine: GTA: 350 w/Vortec heads, T/A: 305
Transmission: Pro-built 700R4
Axle/Gears: GTA: 3.27, T/A: 2.73
Re: ISO dual cat set up

Notice the welds? Aftermarket cats. Most of the N10 setups that pop up used, will have had one or both cats replaced, gutted, or piped.
Walker 16101 is a stock replacement, might be discontinued now..
Magnaflow 23479

Thinking Catco and a few others have offered a complete setup too.
As for used, you can bank on trouble with the cats, and 30 year old pipes aren't worth messing with.
Joined: Oct 2001
Posts: 12,221
Likes: 1,141
From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: ISO dual cat set up
There is a NOS set on FB around Chicago if you want to pay up for them.
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