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Whaanga
Samba Member
Joined: May 07, 2016
Posts: 625
Location: Rochester, NY
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 Posted: Wed Jun 20, 2018 2:16 pm Post subject: Type 4 Exhaust??? |
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Hello -
I am looking to identify the type of exhaust and possible manufacturer from this type 4 engine.
As always, any help is appreciated.
Thanks,
Jeff
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Late 1973 Bay w/a transplanted 914 Engine
Last edited by Whaanga on Wed Jun 20, 2018 2:46 pm; edited 1 time in total |
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raygreenwood
Samba Member
Joined: November 24, 2008
Posts: 21513
Location: Oklahoma City
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| Posted: Wed Jun 20, 2018 2:23 pm Post subject: Re: Type 4 Exhaust??? |
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Its just a cheap EMPI or Thunderbird brand 4 into 1 header with a glass pack on it. You can also bolt on a single quiet pack muffler and it will be about 100% more quiet. And...you can buy a version of that header in stainless steel.
It actually is better flowing than a stock muffler....noisier too....and you may have to retune fuel a bit because it does flow better. Ray |
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Whaanga
Samba Member
Joined: May 07, 2016
Posts: 625
Location: Rochester, NY
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| Posted: Wed Jun 20, 2018 2:48 pm Post subject: Re: Type 4 Exhaust??? |
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Thanks Ray. Can I purchase just the bolt-on muffler or do I need to get the connecting pipes as well?
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Late 1973 Bay w/a transplanted 914 Engine |
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Wildthings
Samba Member
Joined: March 13, 2005
Posts: 50338
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| Posted: Wed Jun 20, 2018 3:31 pm Post subject: Re: Type 4 Exhaust??? |
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| Whaanga wrote: |
| Thanks Ray. Can I purchase just the bolt-on muffler or do I need to get the connecting pipes as well? |
You can probably purchase just the muffler and tail pipe or you can head to your local Mom and Pops exhaust shop and have them build you what you need in a half hour. |
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SGKent 
Samba Member
Joined: October 30, 2007
Posts: 41031
Location: Citrus Heights CA (Near Sacramento)
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| Posted: Wed Jun 20, 2018 3:47 pm Post subject: Re: Type 4 Exhaust??? |
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sandblast and paint. The rust will be back according to other folks who own them.
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“Most people don’t know what they’re doing, and a lot of them are really good at it.” - George Carlin |
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raygreenwood
Samba Member
Joined: November 24, 2008
Posts: 21513
Location: Oklahoma City
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| Posted: Wed Jun 20, 2018 4:18 pm Post subject: Re: Type 4 Exhaust??? |
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Yes to what both Steve and Wildthings said.
In fact I would go to a mom and pop muffler shop first.
Depending in who actually made that header....the three bolt flange can be clocked in any of several directions....and buying a muffler on line may get you one that does not fit underneath the bus if it comes with a flange welded on. Ray |
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SGKent
Samba Member
Joined: October 30, 2007
Posts: 41031
Location: Citrus Heights CA (Near Sacramento)
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| Posted: Wed Jun 20, 2018 5:11 pm Post subject: Re: Type 4 Exhaust??? |
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| raygreenwood wrote: |
Yes to what both Steve and Wildthings said.
In fact I would go to a mom and pop muffler shop first.
Depending in who actually made that header....the three bolt flange can be clocked in any of several directions....and buying a muffler on line may get you one that does not fit underneath the bus if it comes with a flange welded on. Ray |
been there done that on a 1971. Flange was clocked different on the replacement (turned out it was clocked for a bug).
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“Most people don’t know what they’re doing, and a lot of them are really good at it.” - George Carlin |
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Whaanga
Samba Member
Joined: May 07, 2016
Posts: 625
Location: Rochester, NY
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| Posted: Thu Jun 21, 2018 5:45 am Post subject: Re: Type 4 Exhaust??? |
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Just to clarify, the term 'clocked' refers to the angle/orientation of the flange on the muffler so that it will fit correctly on the existing exhaust.
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Late 1973 Bay w/a transplanted 914 Engine |
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Bleyseng
Samba Member
Joined: July 03, 2005
Posts: 4752
Location: Seattle
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| Posted: Thu Jun 21, 2018 7:06 am Post subject: Re: Type 4 Exhaust??? |
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Or just buy the stainless steel version available lots of places
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77 Westy 2.0L w/Ljet, Camper Special engine-95hp and with LSD!(sold)
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