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 Post subject: Gibson exhaust on V8 go/no go?
PostPosted: Tue Jan 12, 2010 3:57 pm 
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Joined: Sat Jun 16, 2007 9:31 pm
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Location: Toronto, Ontario
so lately i've been thinking about my exhaust (hmmm that doesn't sound right...) anyways i intended to get the Gibson stainless steel cat-back and a Magnaflow direct fit cat (since my cat's heat shield rusted off and has a little rattle to it) do you thing the cat-back system would also work on a V8? I don't really wanna spend the money on it if i'm going to have to dispose of it later

HMB
Cobra

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1998 GMC Safari AWD, BFGoodrich AllTerrain T/A
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler

1997 in storage (project coming soon)
1992 Chevy Astro "Z" vin (engine/trans in storage body crushed)
1995 Chevy Astro need lots of help project vehicle


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 Post subject: Re: Gibson exhaust on V8 go/no go?
PostPosted: Tue Jan 12, 2010 4:57 pm 
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Joined: Sat Sep 09, 2006 10:35 pm
Posts: 4429
Location: New Haven, NY
If it's a full 3" I don't see why it wouldn't work. Most stock V8 and V10 trucks run 3" all the way.

The stock system on your 98 is 3" to the muffler then 2.5".

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Vans owned:
1986 Safari 2.5L 4 speed manual - scrapped
1995 Astro 2WD conversion 4.11 posi, shift kit, DHC rock rails - sold to Skippy
1998 Astro 4x4 D44, D60, NP231, full hydraulic system with 9k# Milemarker winch and snow plow - sold to Lockdoc
2003 Astro AWD all stock - traded for a 3/4 ton truck
2005 AWD, 4.10's - sold to skippy


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 Post subject: Re: Gibson exhaust on V8 go/no go?
PostPosted: Tue Jan 12, 2010 6:37 pm 
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Joined: Sat Jun 16, 2007 9:31 pm
Posts: 1762
Location: Toronto, Ontario
it does use 3"

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1998 GMC Safari AWD, BFGoodrich AllTerrain T/A
Jet performance tuner 91 octane preset, Jet under-drive pulleys
Rancho 999000 series shock, on-board controller to be installed later
DHC rock rails and skid plate Add-A-Leaf
G3500 front calipers
Zexel Torsen Diff
11" drums
180 amp Alternator
Long tru-cool 4590 trans cooler

1997 in storage (project coming soon)
1992 Chevy Astro "Z" vin (engine/trans in storage body crushed)
1995 Chevy Astro need lots of help project vehicle


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