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Hummer Forums - Enthusiast Forum for Hummer Owners
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Threads Tagged with
catalytic
Thread / Thread Starter
Last Post
Replies
Views
Forum
Really BAD MPG
(
1
2
3
...
Last Page
)
WarMongur
on Sep 5, 2010
Jan 9, 2011
12:51 PM
by
Songman
53
20,116
PRIVATE For Sale / Trade Classifieds
Flowmaster H3???
rlmoralez
on Aug 13, 2010
Aug 16, 2010
11:29 AM
by
FLH378
6
7,916
PRIVATE For Sale / Trade Classifieds
P0420 code.
AndyMac
on Jun 6, 2010
Jun 6, 2010
11:12 PM
by
VegasGuy
3
20,607
PRIVATE For Sale / Trade Classifieds
Exhaust Suggestions
losthorn
on Apr 19, 2010
Apr 21, 2010
11:09 PM
by
medic/z28
1
2,294
PRIVATE For Sale / Trade Classifieds
Magnaflow Muffler info
tasco
on Jan 26, 2010
Jan 26, 2010
05:23 PM
by
tasco
0
1,498
PRIVATE For Sale / Trade Classifieds
CA Emissions
COHum
on Jan 18, 2010
Jan 25, 2010
04:39 PM
by
jbracefan1977
5
2,976
PRIVATE For Sale / Trade Classifieds
Replaced Exhaust Manifold
madmaxmyers
on May 13, 2008
May 16, 2008
09:53 AM
by
Hummin_H3
6
5,341
PRIVATE For Sale / Trade Classifieds
Catalytic Converter... :(
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1
2
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Bronx
on Apr 11, 2008
Apr 16, 2008
05:49 AM
by
dwaxman1
10
7,062
PRIVATE For Sale / Trade Classifieds
08 Cold Engine Rattle
Daytona Hummer
on Jan 22, 2008
Jan 23, 2008
11:28 AM
by
Daytona Hummer
6
4,334
PRIVATE For Sale / Trade Classifieds
H3 Headers
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1
2
)
empoer sztoid
on Nov 30, 2007
Dec 4, 2007
12:34 AM
by
TheGunnyRet
10
19,093
PRIVATE For Sale / Trade Classifieds
CAT / PERFORMANCE ? & A GOOD LINK
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1
2
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DOC4H
on Oct 30, 2007
Nov 9, 2007
07:23 PM
by
JP349
18
2,742
PRIVATE For Sale / Trade Classifieds
Catalytic converter for my 04 H2
hummer_04
on May 27, 2007
Jul 12, 2007
12:21 AM
by
sean
1
4,180
PRIVATE For Sale / Trade Classifieds
quick question about foul smell
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1
2
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rob85635
on Jun 12, 2007
Jun 18, 2007
06:57 AM
by
poncho
27
8,764
PRIVATE For Sale / Trade Classifieds
I need a catalytic convertor.....
chsnprodigy
on Jun 16, 2007
Jun 16, 2007
06:03 PM
by
Linus Gump
1
1,373
PRIVATE For Sale / Trade Classifieds
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