Home » Public Forums » GMCnet » Cheaper way to replace exhaust? (replacement exhaust )
| Cheaper way to replace exhaust? [message #344568] |
Wed, 26 June 2019 15:03  |
jfkarls
Messages: 53
Registered: June 2019
Location: Racine, Wisconsin
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Hey Gent's & Ladies, Do you folks know of a cheaper way to replace muffler system than the two I see listed at the various parts shops, one or two muffler set ups. Seems to me (but I know nothing on this) that everything might??? be built from stock pipe with the exception of the Y from manifolds to the muffler/mufflers - hope no one gets mad I'm just looking for a more economical way to fix/repair.
Thanks
Jody
Joe & Valerie Karls
1976 Eleganza II, & 1976 Palm Beach - Also own
1967 Lincoln Continental Convertible,
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| Re: Cheaper way to replace exhaust? [message #344569 is a reply to message #344568] |
Wed, 26 June 2019 15:16  |
jfkarls
Messages: 53
Registered: June 2019
Location: Racine, Wisconsin
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I forgot - do the systems for sale today fit the stick manifold or the aftermarket headers?
Joe & Valerie Karls
1976 Eleganza II, & 1976 Palm Beach - Also own
1967 Lincoln Continental Convertible,
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| Re: Cheaper way to replace exhaust? [message #344576 is a reply to message #344569] |
Wed, 26 June 2019 19:42 |
tmsnyder
Messages: 151
Registered: January 2014
Karma: -9
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I was thinking the same thing, just got mine a couple months ago and it could use an exhaust system.
The systems for sale to bolt in are priced only to where they would attach to headers I believe, the downpipes to go from the stock exhaust manifold to the system are extra.
Todd Snyder, Buffalo NY
1976 Eleganza II
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| Re: Cheaper way to replace exhaust? [message #344589 is a reply to message #344568] |
Thu, 27 June 2019 09:26 |
TR 1
Messages: 348
Registered: August 2015
Location: DFW
Karma: -7
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As mentioned above, buying an "exhaust kit" generally nets you a higher quality part, both in design and materials. These systems will often use mandrel bends, metals or metal coatings designed to increase the longevity of the parts, v-band clamps or other high quality flanges to ease disassembly, etc.
If you are looking for a more budget friendly option, taking your rig to an exhaust shop will (assuming the shop is good) net you a decent quality exhaust. But you will generally get crush bends, more budget friendly materials... But it is absolutely a better option than dealing with a leaking exhaust that is letting fumes into the cabin, is loud, etc.
Now you could also go the option of finding an exhaust shop that is more performance oriented... one with a mandrel bender, or that is set up to work with stainless, etc., but the cost would then approach or surpass the bolt on kits offered by the vendors.
Final option would be to DIY it, but unless you are a proficient welder, it is not really a good option. Even if you are a proficient welder, have all the tools, etc. it still is not generally a good option.
Having gone this route myself on more than one occasion, it is a ton of work... To do it right, you'll have the system on and off the vehicle many times... And then of course if you put all that work in to it, you end up buying the best materials you can, which costs a lot... I don't do this every day, so I generally make an error or 2, or revise the design (sometimes more than once) which leads to using even more materials... DIY is only really an option if you are doing this as a hobby, or want something special on your vehicle.
Mark S. '73 Painted Desert,
Manny 1 Ton Front End,
Howell Injection,
Leigh Harrison 4bag and Rear Brakes,
Fort Worth, TX
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| Re: Cheaper way to replace exhaust? [message #344591 is a reply to message #344587] |
Thu, 27 June 2019 10:36 |
tmsnyder
Messages: 151
Registered: January 2014
Karma: -9
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Jody, which system were you looking at?
Matt Colie wrote on Thu, 27 June 2019 08:19You are both in error....
The complete packages can be bought from either Applied or Sirum and both of those can supply for either header or stock manifold. I believe that both can supply in stainless. While the cost is a little more, the system service life will be a lot longer.
If you want front mufflers or a rear muffler, I believe that both can supply.
Matt
Todd Snyder, Buffalo NY
1976 Eleganza II
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| Re: [GMCnet] Cheaper way to replace exhaust? [message #344593 is a reply to message #344591] |
Thu, 27 June 2019 10:56 |
James Hupy
Messages: 6806
Registered: May 2010
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Generally, cheap ain't good, and good ain't cheap. Particularly when it
comes to exhaust systems. But IF YOU INSIST, be sure to err on the safe
side. Keep all exhaust system parts well away from the wood floors of the
coach. Several coaches have been burned to the lugnuts by fires started by
exhaust components located too close to the combustible floors. If in
doubt, fabricate heat shields, particularly over the tops of the mufflers.
It seems the lo quality versions get very hot, failing the internal
baffles, restricting the flow of exhaust gasses and building heat above
them. Just be super careful when doing any work on the exhaust system.
Jim Hupy
Salem, Oregon
On Thu, Jun 27, 2019, 8:43 AM Todd Snyder via Gmclist <
gmclist@list.gmcnet.org> wrote:
>
>
> Jody, which system were you looking at?
>
>
>
>
> Matt Colie wrote on Thu, 27 June 2019 08:19
>> You are both in error....
>> The complete packages can be bought from either Applied or Sirum and
> both of those can supply for either header or stock manifold. I believe
> that
>> both can supply in stainless. While the cost is a little more, the
> system service life will be a lot longer.
>>
>> If you want front mufflers or a rear muffler, I believe that both can
> supply.
>>
>> Matt
>
>
> --
> Todd Snyder, Buffalo NY
> 1976 Eleganza II
>
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| Re: [GMCnet] Cheaper way to replace exhaust? [message #344596 is a reply to message #344593] |
Thu, 27 June 2019 12:07 |
Rollerg
Messages: 111
Registered: November 2014
Location: Marysville, MI
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A year ago I purchased a stainless steel exhaust system from Jim Kanamota at Applied.
His system is specifically design for our GMC’s. Installation was perfectly aligned with only a 10” cut at the makeup section.
There are some things are worth spending a little extra money and I have no worries for as long as I’m alive.... which by the way is a long time.
Gary Coaster / Reno, NV
1977 GMC Eleganza ll
GMC RV Day Night Shade Sales
GMCShades@gmail.com
www.GMCMotorhomemarketplace.com/GMC_Shades/
> On Jun 27, 2019, at 8:56 AM, James Hupy via Gmclist wrote:
>
> Generally, cheap ain't good, and good ain't cheap. Particularly when it
> comes to exhaust systems. But IF YOU INSIST, be sure to err on the safe
> side. Keep all exhaust system parts well away from the wood floors of the
> coach. Several coaches have been burned to the lugnuts by fires started by
> exhaust components located too close to the combustible floors. If in
> doubt, fabricate heat shields, particularly over the tops of the mufflers.
> It seems the lo quality versions get very hot, failing the internal
> baffles, restricting the flow of exhaust gasses and building heat above
> them. Just be super careful when doing any work on the exhaust system.
> Jim Hupy
> Salem, Oregon
>
> On Thu, Jun 27, 2019, 8:43 AM Todd Snyder via Gmclist gmclist@list.gmcnet.org> wrote:
>
>>
>>
>> Jody, which system were you looking at?
>>
>>
>>
>>
>> Matt Colie wrote on Thu, 27 June 2019 08:19
>>> You are both in error....
>>> The complete packages can be bought from either Applied or Sirum and
>> both of those can supply for either header or stock manifold. I believe
>> that
>>> both can supply in stainless. While the cost is a little more, the
>> system service life will be a lot longer.
>>>
>>> If you want front mufflers or a rear muffler, I believe that both can
>> supply.
>>>
>>> Matt
>>
>>
>> --
>> Todd Snyder, Buffalo NY
>> 1976 Eleganza II
>>
>> _______________________________________________
>> GMCnet mailing list
>> Unsubscribe or Change List Options:
>> http://list.gmcnet.org/mailman/listinfo/gmclist_list.gmcnet.org
>>
> _______________________________________________
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| Re: [GMCnet] Cheaper way to replace exhaust? [message #344812 is a reply to message #344803] |
Wed, 03 July 2019 08:15 |
tmsnyder
Messages: 151
Registered: January 2014
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Thanks Jim, were they 2.5 inches the whole way? Before and after the Y?
I think my downpipes are original, it is a California and Texas coach and based on the condition of the frame etc, it wouldn't surprise me if they are the actual originals at 2.25", so maybe they were 2.25 before the Y and 2.5 after the Y?
Todd Snyder, Buffalo NY
1976 Eleganza II
[Updated on: Wed, 03 July 2019 08:16] Report message to a moderator |
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| Re: [GMCnet] Cheaper way to replace exhaust? [message #344820 is a reply to message #344812] |
Wed, 03 July 2019 09:59 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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They are all the way, but its more like 1 1/2" as they are bent the
standard way and not true Mandrel Bent, where the diameters are same as the
pipe.
Performance and mileage do improve going the right way.
On Wed, Jul 3, 2019 at 6:16 AM Todd Snyder via Gmclist <
gmclist@list.gmcnet.org> wrote:
> Thanks Jim, were they 2.5 inches the whole way? Before and after the Y?
>
> I think my downpipes are original, it is a California and Texas coach and
> based on the condition of the frame etc, it wouldn't surprise me if they are
> the actual originals at 2.25".
> --
> Todd Snyder, Buffalo NY
> 1976 Eleganza II
>
> _______________________________________________
> GMCnet mailing list
> Unsubscribe or Change List Options:
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>
--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: [GMCnet] Cheaper way to replace exhaust? [message #344859 is a reply to message #344856] |
Wed, 03 July 2019 23:47 |
jimk
Messages: 6734
Registered: July 2006
Location: Belmont, CA
Karma: 9
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Roy,
I am way off, I tell people, $ 1,000 when it is only $ 100.
Comes with age.
On Wed, Jul 3, 2019 at 9:22 PM roy keen via Gmclist
wrote:
> Thanks Jim guess my memory slipped a little as it was awhile since
> Jardine was supplying exhaust systems for the GMC Motorhome .
> --
> Roy Keen
> Minden,NV
> 76 X Glenbrook
>
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--
Jim Kanomata
Applied/GMC, Newark,CA
jimk@appliedairfilters.com
http://www.appliedgmc.com
1-800-752-7502
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Jim Kanomata
Applied/GMC
jimk@appliedairfilters.com
www.appliedgmc.com
1-800-752-7502
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| Re: Cheaper way to replace exhaust? [message #345248 is a reply to message #344568] |
Sat, 13 July 2019 19:30 |
jfkarls
Messages: 53
Registered: June 2019
Location: Racine, Wisconsin
Karma: 0
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Great list of suggestions - THANKS everyone. One more question on this - Single stainless muffler (At the rear) or dual muffler (Up front) from Applied?
Joe & Valerie Karls
1976 Eleganza II, & 1976 Palm Beach - Also own
1967 Lincoln Continental Convertible,
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