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#1 |
Registered User
Join Date: Nov 2015
Location: Colfax California
Posts: 1,644
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Anybody build there own exhaust using these?
Do these things work pretty good? No leaks or anything bad like that? I'm putting together a new exhaust for my truck to replace the old 2 1/4" that's on it now
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#2 |
Registered User
Join Date: Nov 2015
Location: Colfax California
Posts: 1,644
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Re: Anybody build there own exhaust using these?
Pic
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#3 |
Registered User
Join Date: May 2011
Location: Oakley, Michigan
Posts: 735
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Re: Anybody build there own exhaust using these?
My 2006 GMC Envoy has one of those on it. It's been good for 200,000 miles.
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#4 |
Registered User
Join Date: Mar 2011
Location: Bakersfield Ca.
Posts: 417
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Re: Anybody build there own exhaust using these?
Yes
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#5 |
Registered User
Join Date: Feb 2016
Location: China Grove, NC
Posts: 93
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Re: Anybody build there own exhaust using these?
I had about a $900 exhaust on my SRT4 and after about a year the flex pipe started tearing which of course caused a exhaust leak. I'm not saying yours automatically will but they do tear. So good luck my man
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Boyd -67' C10 SWB FLEETSIDE LS 5.3 4 speed muncie ![]() |
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#6 |
Registered User
Join Date: Nov 2015
Location: Alberta
Posts: 464
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Re: Anybody build there own exhaust using these?
Brand quality may differ. I have seen one on a stationary Cummins with a solid mounted vertical stack on a sawmill. Must have been 4 or 5". I noticed it shaking into a Z shape at idle and a good bend at balls out. Can't say much for how long it lasted but definitely high abuse for sure
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-Cody |
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#7 |
Registered User
Join Date: Nov 2015
Location: Colfax California
Posts: 1,644
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Re: Anybody build there own exhaust using these?
This is what I was expecting because the thing is almost too good to be true lol
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#8 |
Registered User
Join Date: Dec 2015
Location: Newark ,Delaware
Posts: 158
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Re: Anybody build there own exhaust using these?
Used one on my work car to replace the factory pipe was $171.00 or buy flex joint & cut & weld in for $24.00. Guess which one i chose to do...still good after 6 months & 14k. Miles...they have these @advanced , auto zone etc.
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#9 |
Senior Member
![]() Join Date: Dec 2013
Location: Gods country East,Tn
Posts: 8,545
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Re: Anybody build there own exhaust using these?
Where would you need to use these on your exhaust ?
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![]() 1967 Factory short bed - Old school '71 - 350 / 4bolt / 487 heads / Edelbrock C3BX Muncie M-22 4 speed / Hurst Comp plus Factory 12 bolt posi 3.73 / 255-70-15 Smoothed firewall / Factory cowl induction Power disc brakes / power steering / 3.5-5" drop |
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#10 |
Senior Member
![]() Join Date: Jul 2015
Location: Warrenton VA
Posts: 1,048
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Re: Anybody build there own exhaust using these?
Yea you shouldn't need a flex pipe in your system, rubber mounts on your hangers and you're good to roll.
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71 c-10 Long Bed, under the knife for a No Limit Engineering Wide Ride Chassis Pack and coil over static drop. 07 Silverado Classic 2wd 95 Camaro 427SBC/TH350 |
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#11 |
Registered User
Join Date: Jul 2011
Location: strausstown pa
Posts: 3,394
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Re: Anybody build there own exhaust using these?
They are not a bad idea,certainly not nessacary.
I'm sure they will help too keep those header bolts good and tite. Quality matters here. I had bought two when I built my exhaust since my headers exit at slightly weird angles I figured these would help with that. But I didn't end up using them anyway and returned them. They were store brand like walker or something and not good quality either.
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81 camaro 355 4/spd 342 posi my first love ![]() 67 swb step 454/4spd ott 373 posi 4/7 drop. 2000 s10 zr2 little blue truck that never gets stuck. '74 heald super bronc vt8. tecumseh powered moon rover. |
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#12 |
Registered User
Join Date: Dec 2012
Location: kearney nebraska
Posts: 613
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Re: Anybody build there own exhaust using these?
as others have said, brand quality makes the biggest difference in how long they last. While you can use them in your exhaust system, im not sure the need you would have for them on your truck. the reason they exist and are used is for side mounted engines on fwd vehicles. the idea is that engines rock side to side under acceleration and a solid exhaust system would break over time or the first time you floored it depending on the vehicle. These flex pipes allow the engine to move while limiting movement of the exhaust system. On a rear wheel drive vehicle like our trucks, rubber lined steel hangers are more than efficient in allowing the needed flexibility.
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1972 GMC C20 Custom Camper 350/TH350 |
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#13 |
Registered User
Join Date: Dec 2012
Location: kearney nebraska
Posts: 613
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Re: Anybody build there own exhaust using these?
https://www.summitracing.com/parts/wlk-36516/overview/
theses are what i recommend for exhaust hangers. they have a clean look to the system without a bunch of pipe clamps at every one, and last the longest in my experience. this is all i like to use on all the custom exhaust i do in my shop. all while providing proper movement for the system
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1972 GMC C20 Custom Camper 350/TH350 |
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#14 |
Registered User
Join Date: Nov 2015
Location: Colfax California
Posts: 1,644
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Re: Anybody build there own exhaust using these?
I'm planning for 3" and I'm not sure really how I'm going to route it yet. I was thinking of cutting a hole in the crossmember to keep the pipes high up off the ground but I don't know how I feel about that yet
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#15 |
Senior Member
![]() Join Date: Dec 2013
Location: Gods country East,Tn
Posts: 8,545
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Re: Anybody build there own exhaust using these?
3" is too much try 2 1/2 , lots of guys cut thru the cross member
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![]() 1967 Factory short bed - Old school '71 - 350 / 4bolt / 487 heads / Edelbrock C3BX Muncie M-22 4 speed / Hurst Comp plus Factory 12 bolt posi 3.73 / 255-70-15 Smoothed firewall / Factory cowl induction Power disc brakes / power steering / 3.5-5" drop |
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#16 |
Registered User
Join Date: Dec 2012
Location: kearney nebraska
Posts: 613
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Re: Anybody build there own exhaust using these?
Building your own exaust can be a lot of fun and rewarding. There are a lot of different options on how to route it on these trucks depending on what drivetrain you have. Before you decide what your going to do, I would evaluate everything to make sure you get the most from your exhaust. What engine do you have? What is your goal for this project? 3 inch may be too big and disappoint you.
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1972 GMC C20 Custom Camper 350/TH350 |
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#17 | |
Registered User
Join Date: Nov 2015
Location: Colfax California
Posts: 1,644
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Re: Anybody build there own exhaust using these?
Quote:
Watched quite a few dyno tests and all they changed was the pipes, 2.25" lost some top end to the 2.5" and 3". The 2.5" and 3" performed almost exactly the same except the 3" made a few more ponies waaaay up top. The 3" did not loose ANY low-mid range to either the 2.5" or 2.25". All this was done on a 400hp 9.5-1 383 stroker I'm real tempted to build an X-pipe too, saw some great results from those on SBC's |
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#18 |
Senior Member
![]() Join Date: Jul 2000
Location: North Texas
Posts: 3,484
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Re: Anybody build there own exhaust using these?
Probably because the best exhaust pipe you can have behind long tube headers is NONE.
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Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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#19 |
Registered User
Join Date: May 2001
Location: Wairarapa, New Zealand.
Posts: 782
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Re: Anybody build there own exhaust using these?
Yes. I put them right behind the headers, mine are about 7" long on a 2 1/2" pipe set up. I've only done about 4500 miles, but so far so good. Lots of modern cars/trucks have them. Hoping to isolate the headers from any excessive loads.
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1972 K2500 Long Box 400/350 |
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#20 |
Senior Member
![]() Join Date: Jul 2000
Location: North Texas
Posts: 3,484
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Re: Anybody build there own exhaust using these?
Good idea. Nice chassis.
__________________
Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! |
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#21 |
Registered User
Join Date: Nov 2015
Location: Alberta
Posts: 464
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Re: Anybody build there own exhaust using these?
I think that red cherry bomb dodge that was on Gears, or maybe Trucks? Had them on each side but I think it was to make them huge pipes shake on each side that stuck out by the steps
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-Cody |
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