Exhaust System

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Sticky Shorty Header for V8 Conversion

Last post by 1Gary « Tue Sep 15, 2015 7:31 pm
Replies: 2
by e7ats » Wed Sep 20, 2006 12:34 pm

Rockwerx
Posted: April 28 2003,3:05
-----------------------------------------------------------------------------------------

I know that these...

2 Replies

13076 Views

Last post by 1Gary
Tue Sep 15, 2015 7:31 pm
Sticky Custom 3inch exhaust

Last post by e7ats « Wed Sep 20, 2006 1:03 pm

by e7ats » Wed Sep 20, 2006 1:03 pm

SoCalli V8
Posted: June 28 2003,4:27

--------------------------------------------------------------------------------
I thought that you would be...

0 Replies

3390 Views

Last post by e7ats
Wed Sep 20, 2006 1:03 pm
Exhaust rattle when idling

Last post by Wiley « Thu Jun 28, 2018 8:53 am
Replies: 2
by cf100mk5 » Mon Jun 25, 2018 9:40 am

Had a very loud rattling noise coming from the exhaust system(roughly from mid to rear of van)when stopped in gear but it disappeared in neutral....

2 Replies

2909 Views

Last post by Wiley
Thu Jun 28, 2018 8:53 am
Looking for some suggestions on a muffler

Last post by Mmusicman « Tue Mar 27, 2018 5:47 pm
Replies: 18
by completetech » Tue Jan 31, 2012 3:46 pm
1

2
My muffler blew up (as per my previous posts on troubleshooting my gas leak into my exhaust). So I am now looking for something decent. something...
18 Replies

11224 Views

Last post by Mmusicman
Tue Mar 27, 2018 5:47 pm
Got headers finally !

Last post by Ironhide « Tue Oct 10, 2017 9:56 am
Replies: 5
by JonnyAWD » Fri Jan 11, 2013 8:41 pm

Installed headers. 2.5in down pipes to 3in y pipe to 3in inlet dual outlet muffler quad tips. Sounds fantastic

5 Replies

5996 Views

Last post by Ironhide
Tue Oct 10, 2017 9:56 am
cool header info

Last post by markinnh « Tue Jun 23, 2015 5:38 pm

by markinnh » Tue Jun 23, 2015 5:38 pm

0 Replies

3011 Views

Last post by markinnh
Tue Jun 23, 2015 5:38 pm
What to buy for replacing a Catalytic Converter

Last post by WoodButcher « Mon May 05, 2014 4:40 pm
Replies: 3
by completetech » Tue Apr 29, 2014 8:33 am

So I am throwing a 420 code and after having the mechanic look it over and diagnose it he said to get a new cat. So I am looking at replacing it and...

3 Replies

5509 Views

Last post by WoodButcher
Mon May 05, 2014 4:40 pm
Intake manifold gasket? Need info please

Last post by LiftedAWDAstro « Fri Dec 20, 2013 10:23 am
Replies: 3
by dasunzinureyez » Wed Dec 18, 2013 8:49 pm

How long can someone drive with a bad intake manifold gasket? Will it do any terrible damage if not fixed right away. I still have good power, it...

3 Replies

3770 Views

Last post by LiftedAWDAstro
Fri Dec 20, 2013 10:23 am
code 0420

Last post by LiftedAWDAstro « Sat Sep 21, 2013 4:26 pm
Replies: 1
by rooster4 » Sat Sep 21, 2013 2:33 pm

Hi My 98 astro shows a code of 0420 at auto zone. He says its the cat. I had this replaced about 4 years and 20,000 miles ago. could it be bad...

1 Replies

2987 Views

Last post by LiftedAWDAstro
Sat Sep 21, 2013 4:26 pm
Y pipe for V8 swap? what do I get if off of

Last post by markmitchinnh « Mon Mar 25, 2013 12:56 pm
Replies: 4
by markmitchinnh » Sat Mar 23, 2013 9:33 am

I am doing a V8 swap and I searched on this site for what vehicle do I get the Y pipe from? I am buying a new one so I need to know what truck/car...

4 Replies

4476 Views

Last post by markmitchinnh
Mon Mar 25, 2013 12:56 pm
best Y pipe for the 4.3?

Last post by doyoulikeithere « Wed Oct 10, 2012 6:57 pm
Replies: 3
by markmitchinnh » Wed Oct 10, 2012 5:17 am

I read somewhere that some years of these vans had a bigger Y pipe then other years? Anyone have input?

3 Replies

4280 Views

Last post by doyoulikeithere
Wed Oct 10, 2012 6:57 pm
anyone try these headers?

Last post by markmitchinnh « Wed Oct 03, 2012 2:44 pm

by markmitchinnh » Wed Oct 03, 2012 2:44 pm

Flowtech 91832FLT - Flowtech Shorty Smog Headers

0 Replies

2812 Views

Last post by markmitchinnh
Wed Oct 03, 2012 2:44 pm
California Smog Check Failed Visual Inspection Catalytic

Last post by CaptSquid « Fri Jul 27, 2012 1:15 pm
Replies: 1
by will386 » Sat Jul 21, 2012 6:07 am

2000 Astro AWD 215 Kmiles runs great looks new one owner.

The Functional and Emissions Check passed. There are no OBD2 codes. I replaced the O2...

1 Replies

3429 Views

Last post by CaptSquid
Fri Jul 27, 2012 1:15 pm
Where to buy O2 Simulator?

Last post by Kidhauler « Thu Jun 07, 2012 2:58 pm
Replies: 1
by mattconrad » Thu Jun 07, 2012 1:19 pm

Where is the best place to buy and O2 simulator for a 1998 GMC Safari? I cant seem to find much information on this. Thanks

1 Replies

3063 Views

Last post by Kidhauler
Thu Jun 07, 2012 2:58 pm
Water in exhaust manifold

Last post by 1Gary « Sat Apr 14, 2012 1:46 pm
Replies: 3
by Paint Bucket » Thu Apr 12, 2012 5:56 pm

Hi all! I have been silently reading this site for its valuable insight.
Above the technical knowledge I've gained, I've learned that people love...

3 Replies

3876 Views

Last post by 1Gary
Sat Apr 14, 2012 1:46 pm
Bad cat, and trying to stay legal...

Last post by LiftedAWDAstro « Fri Apr 13, 2012 11:36 am
Replies: 11
by JTalley » Thu Jan 26, 2012 1:12 pm

Federal law prohibits removal of the catalytic converter. I know, most people do anyway, but I'm trying to keep it legal. The only problem is, nobody...

11 Replies

6914 Views

Last post by LiftedAWDAstro
Fri Apr 13, 2012 11:36 am
New muffler!

Last post by JTalley « Tue Jan 24, 2012 2:00 pm
Replies: 13
by JTalley » Sat May 14, 2011 9:49 am

Just finished ordering a new muffler! :bounce:
I'm pretty sure my cat is bad, so I'm planning to bust it out and put the new muffler on since I...

13 Replies

8259 Views

Last post by JTalley
Tue Jan 24, 2012 2:00 pm
Looking for cheap pipe

Last post by 97CargoCrawler « Wed May 04, 2011 12:31 pm
Replies: 5
by JTalley » Wed May 04, 2011 7:39 am

After months of debating, I decided that I don't want a muffler. Right now, all I have is the cat. The pipes run straight from the engine to that,...

5 Replies

4525 Views

Last post by 97CargoCrawler
Wed May 04, 2011 12:31 pm
Muffler or no muffler?

Last post by loopie « Fri Mar 11, 2011 1:46 pm
Replies: 4
by JTalley » Thu Mar 10, 2011 7:46 am

Ed doesn't have a muffler or pipes. Still, it's not very loud. I'm debating on whether to get straight pipes or go with a muffler. I talked to the...

4 Replies

4279 Views

Last post by loopie
Fri Mar 11, 2011 1:46 pm
recommend a muffler for me

Last post by loopie « Sat Jan 08, 2011 11:50 pm
Replies: 5
by markinnh » Sat Feb 06, 2010 5:00 am

Hello all, I have the following exhaust system so far: 2.5 inch down pipes going into a Y pipe from hedman then into a 3 inch hollowed cat con. Then...

5 Replies

4936 Views

Last post by loopie
Sat Jan 08, 2011 11:50 pm
anyone no how to do this?

Last post by icebrrg3rd « Thu Jan 06, 2011 10:37 am
Replies: 4
by markmitchinnh » Tue Jan 04, 2011 10:43 am

I am modifying the stock rear bumper and one idea is to run exhaust out through it, does anyone have any idea on how to cut round holes in steel?

4 Replies

4331 Views

Last post by icebrrg3rd
Thu Jan 06, 2011 10:37 am
Mandrel Bent Stainless Exhaust Group Buy

Last post by leadtrombone « Sat Nov 06, 2010 11:57 am
Replies: 10
by meetthespeakers » Mon Nov 01, 2010 4:59 pm

I posted this on Astrosafari.com and I don't want to step on anyone's toes. But I was curious if anyone would be interested in a Stainless Steel...

10 Replies

7080 Views

Last post by leadtrombone
Sat Nov 06, 2010 11:57 am
Rocker Exit

Last post by GnarliSafari « Sat Oct 16, 2010 10:08 am
Replies: 17
by Rebel » Tue Jun 12, 2007 6:59 am
1

2
Haven't looked under my van to check this out for clearence but was wondering if anyone has done an exhaust exit out of the rockers toward the rear...
17 Replies

10467 Views

Last post by GnarliSafari
Sat Oct 16, 2010 10:08 am
Ram horns on 350 in a 2wd?

Last post by doyoulikeithere « Fri Oct 15, 2010 9:26 pm
Replies: 3
by BoguSoft » Sat Sep 23, 2006 1:45 pm

I have a set of Ram horn manifolds from an old vette and was wondering if anybody is running them in a V8 conversion 2wd? I think the center outlets...

3 Replies

4104 Views

Last post by doyoulikeithere
Fri Oct 15, 2010 9:26 pm
Dead Kitty

Last post by draggnastro « Fri Oct 08, 2010 8:42 pm
Replies: 9
by CaptSquid » Tue Aug 10, 2010 12:46 am

Well, i gritted my teeth and parted ways with $275 and had a new cat installed. This one is a hi-flow cat. Granted, cats are supposed to last the...

9 Replies

6442 Views

Last post by draggnastro
Fri Oct 08, 2010 8:42 pm
How Do I Make An '87 Astro Van "Breathe" Quietly...

Last post by GnarliSafari « Tue Jul 13, 2010 11:07 pm
Replies: 9
by capulet_x » Thu Jun 03, 2010 5:13 pm

When I start up my '96 Rav4 or my '87 CRX Si they run so quietly; seemingly breathing like living things. I know that they are two cylinders short of...

9 Replies

6772 Views

Last post by GnarliSafari
Tue Jul 13, 2010 11:07 pm
How to change Y-pipe

Last post by Rileysowner « Mon Jul 12, 2010 9:52 am
Replies: 14
by Cobra » Sun Jun 06, 2010 10:44 am

ok so i managed to remove (i wonder is that's appropriate) all the nuts but the Y-yipes flanges are not budging i have not tried heat yet since i...

14 Replies

9510 Views

Last post by Rileysowner
Mon Jul 12, 2010 9:52 am
Lake Pipes!!

Last post by LaGrasta « Mon Apr 12, 2010 10:41 am
Replies: 5
by Logan » Sat Apr 03, 2010 3:03 pm

So I finally installed my new headers and lake pipes. I really gotta clean my van up and I'll post some pictures of it clean, but I couldn't wait to...

5 Replies

5023 Views

Last post by LaGrasta
Mon Apr 12, 2010 10:41 am
rattle or grinding noise

Last post by Smiliesafari « Thu Feb 25, 2010 9:31 am
Replies: 3
by rooster4 » Fri Aug 21, 2009 2:04 pm

I have 98 astro and at start up a rattle or grinding noise seems to come from near the cat . when i hit the cat with my hand I hear something moving...

3 Replies

3947 Views

Last post by Smiliesafari
Thu Feb 25, 2010 9:31 am
Stackers Concept

Last post by Mr Bean « Tue Feb 09, 2010 6:06 am
Replies: 12
by Mr Bean » Sun Dec 20, 2009 11:37 am

Just wanted to be sure everyone knew I'm not the kind of individual who puts exhaust stacks and peterbuilt stickers on my vehicle in the hopes it...

12 Replies

7411 Views

Last post by Mr Bean
Tue Feb 09, 2010 6:06 am
check this out

Last post by rlsllc « Thu Jan 21, 2010 6:04 am
Replies: 1
by markinnh » Thu Jan 21, 2010 5:43 am

Years back I bought a 1985 astro it was with a 4.3 with a 4 barrel carb and it had factory stainless header style exhaust manifolds. Needless to say...

1 Replies

3053 Views

Last post by rlsllc
Thu Jan 21, 2010 6:04 am
Gibson exhaust on V8 go/no go?

Last post by Cobra « Tue Jan 12, 2010 10:37 am
Replies: 2
by Cobra » Tue Jan 12, 2010 7:57 am

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...

2 Replies

3247 Views

Last post by Cobra
Tue Jan 12, 2010 10:37 am
Gibson exhaust question

Last post by Rvamobiledetailing « Fri Oct 23, 2009 9:22 pm
Replies: 2
by Rvamobiledetailing » Mon Oct 19, 2009 8:08 pm

Hey Everybody,

Does anybody have a picture of there factory exhaust where it connects to the muffler? I have a gibson catback with a flange on the...

2 Replies

3439 Views

Last post by Rvamobiledetailing
Fri Oct 23, 2009 9:22 pm
muffler question

Last post by lockdoc « Sat Sep 05, 2009 5:06 pm
Replies: 5
by astrozam » Sat Sep 05, 2009 10:36 am

There is a thin plate which is attatched to our oem mufflers, is this plate supposed to be on the top or bottom of our mufflers????????

5 Replies

4662 Views

Last post by lockdoc
Sat Sep 05, 2009 5:06 pm
Catalytic Converter

Last post by ihatemybike « Tue Aug 11, 2009 8:47 am
Replies: 8
by meetthespeakers » Mon Jan 26, 2009 12:36 pm

Hi guys, the Check Engine light popped up 2 weeks ago, and it read Catalytic lo efficiency. I cleared the code, and it has now popped up a week...

8 Replies

7970 Views

Last post by ihatemybike
Tue Aug 11, 2009 8:47 am
Lake Pipes!

Last post by phr1$k37 « Mon Jul 27, 2009 10:42 am
Replies: 4
by Logan » Sat Jul 25, 2009 7:42 am

So there's this guy in town that had an awesome high reving v8 astro. But he had no imagination and no mechanical ability. Just the money to pay...

4 Replies

4618 Views

Last post by phr1$k37
Mon Jul 27, 2009 10:42 am
Can the catalytic converter be eliminated?

Last post by jeff hosford « Tue Jul 14, 2009 7:08 pm
Replies: 11
by The Scotsquatch » Wed Mar 05, 2008 3:09 pm

Hey guys...a quick question. My Cat is full of holes and smells like rotten eggs, so I was thinking of eliminating it since we live in Florida, where...

11 Replies

10273 Views

Last post by jeff hosford
Tue Jul 14, 2009 7:08 pm
EGR valve bolts

Last post by Cobra « Tue Jul 14, 2009 8:18 am

by Cobra » Tue Jul 14, 2009 8:18 am

What size are the EGR bolts i'd like to replace them with studs

0 Replies

2627 Views

Last post by Cobra
Tue Jul 14, 2009 8:18 am
Quote of the day: "Why are the headers glowing?"

Last post by 6spd_monte « Mon Jul 06, 2009 7:04 am
Replies: 15
by 6spd_monte » Mon Jun 15, 2009 10:47 pm
1

2
That was what my wife asked me while we were driving the Astro tonight. Let me fill you in...

I have been trying to diagnose an off idle hesitation...
15 Replies

9409 Views

Last post by 6spd_monte
Mon Jul 06, 2009 7:04 am
Fumes in the passenger compartment

Last post by pengyou « Fri May 15, 2009 5:22 pm
Replies: 3
by pengyou » Thu May 14, 2009 9:03 am

...when I use the heater or a/c. Where do I start? What is the likely culprit? exhaust manifold/gasket?

3 Replies

3801 Views

Last post by pengyou
Fri May 15, 2009 5:22 pm
Headers for the 4.3l (Updated 2/22/2009)

Last post by SSAstro « Sun Feb 22, 2009 4:46 pm
Replies: 8
by SSAstro » Sun Feb 15, 2009 12:26 pm

alright i found out the jba would not work nor would the obx headers for the s10 b/c the way that pipes were bent but the gibson and pacesetter ones...

8 Replies

6538 Views

Last post by SSAstro
Sun Feb 22, 2009 4:46 pm
JBA 4.3l Headers

Last post by SSAstro « Sat Feb 14, 2009 6:55 am
Replies: 15
by GnarliSafari » Thu Jul 03, 2008 1:39 pm
1

2
i know there have been numerous topics about headers for the stock 4.3l, but while on minitruckinweb.com i came across an article about putting JBA...
15 Replies

11267 Views

Last post by SSAstro
Sat Feb 14, 2009 6:55 am
96 astro , need pipe size

Last post by sandfly « Fri Dec 05, 2008 11:53 am
Replies: 11
by skippy » Thu Oct 23, 2008 8:24 am

i have to replace the cat on my wifes 96 astro , does anybody know the pipe size in & out of the cat converter ? it looks to be 3 but with out...

11 Replies

7670 Views

Last post by sandfly
Fri Dec 05, 2008 11:53 am
Is my cat clogged?

Last post by LiftedAWDAstro « Fri Nov 14, 2008 4:41 am
Replies: 1
by pengyou » Thu Nov 13, 2008 10:37 pm

My van passed Oregon's smog but I just found out that for that year they hook up the car to the computer - through the computer's harness and not at...

1 Replies

3235 Views

Last post by LiftedAWDAstro
Fri Nov 14, 2008 4:41 am
Dynomax Headers for 4.3l

Last post by MD/Astro\CL « Thu Nov 13, 2008 3:30 pm
Replies: 22
by MD/Astro\CL » Thu Nov 06, 2008 3:02 pm
1

2
I found these looking around for more van mods and think they might be my next project. Does anyone have these on their van? The picture shows...
22 Replies

13747 Views

Last post by MD/Astro\CL
Thu Nov 13, 2008 3:30 pm
Magnaflow Direct Fit Catalytic Convertor

Last post by MD/Astro\CL « Tue Nov 11, 2008 3:43 pm
Replies: 6
by meetthespeakers » Thu May 29, 2008 7:12 am

Hi guys, on my quest to get a little more power out of the stro I was looking at getting the Magnaflow Direct Fit Catalytic Convertor. 2 things, has...

6 Replies

5201 Views

Last post by MD/Astro\CL
Tue Nov 11, 2008 3:43 pm
Cat heat shield

Last post by Cobra « Sun Nov 02, 2008 10:19 am
Replies: 2
by Cobra » Sun Nov 02, 2008 8:41 am

middle of this week i got a rattling sound comming from under the van assumed the cat was going so i picked a universal one up. went to do the work...

2 Replies

3369 Views

Last post by Cobra
Sun Nov 02, 2008 10:19 am
stock or upgrade????

Last post by MD/Astro\CL « Thu Oct 30, 2008 4:05 pm
Replies: 10
by scarecrow » Thu Sep 18, 2008 1:48 pm

the exhaust on my 95 is gone. so with that said is it worth the money for the gidson catback system or just stick with the stock replacement....is...

10 Replies

6737 Views

Last post by MD/Astro\CL
Thu Oct 30, 2008 4:05 pm
cat replacement?

Last post by bscoffey « Mon Sep 29, 2008 6:55 pm
Replies: 4
by bscoffey » Sat Sep 27, 2008 3:00 pm

hi guys,
I think i have a cat going bad on my 2001 astro. I have a bad smell after getting on it heavy. Do i need to replace it with oem or can I go...

4 Replies

4518 Views

Last post by bscoffey
Mon Sep 29, 2008 6:55 pm
Magnaflow muffler

Last post by meetthespeakers « Mon Sep 08, 2008 7:17 am
Replies: 10
by meetthespeakers » Tue Jun 24, 2008 10:55 am

Hey guys, I was curious of those with a Magnaflow muffler how you liked them? I currently have a Gibson catback, but once I get my new rear bumper on...

10 Replies

6914 Views

Last post by meetthespeakers
Mon Sep 08, 2008 7:17 am

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Exhaust System

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