Straight pipe exhaust


Information and questions on GL1000 Goldwings (1975-1979)
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twaggoner
Posts: 36
Joined: Mon Oct 31, 2011 6:28 pm
Location: Mooresville, IN
Motorcycle: 1977 GL1000

Straight pipe exhaust

Postby twaggoner » Fri Jun 01, 2012 12:07 pm



I think that I have ask this before but, I could not search and find anything on it. I am near completing the work on my 1977 GL1000. I am preparing Straight Pipe exhaust for it. Is there any chance that it will hurt the engine in any way. Someone in my circle of activity mentioned the possibility of to much heat on the Heads. I know that it will be loud but I am not intending to make ears bleed. I simply want a healthy sounding bike. Any feedback will be greatly apprciated. Thank you Gold Wing Family!



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seabee_
Posts: 494
Joined: Sun May 29, 2011 8:17 pm
Location: sterling heights, mi
Motorcycle: 1985 Honda Goldwing GL1200
117k miles
1977 Kawasaki kz400
1978 Suzuki GSXr750
1980 Kawasaki GPZ400
1975 Honda CB360T

Re: Straight pipe exhaust

Postby seabee_ » Fri Jun 01, 2012 12:50 pm

You will have a slight decrease in back pressure but shouldn't affect performance that much. You are right that they will be loud. You might think about installing some Harley mufflers in place of the OEM mufflers. A lot of 'wing owners install them and have been pleased with the sound. Do a search and you will find posts on how some have done it. It only requires a little welding to make it work.
Paul
CE1 Navy Seabees/RET
1981 to 2002
ASE Mechanic

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twaggoner
Posts: 36
Joined: Mon Oct 31, 2011 6:28 pm
Location: Mooresville, IN
Motorcycle: 1977 GL1000

Re: Straight pipe exhaust

Postby twaggoner » Fri Jun 01, 2012 1:50 pm

Paul, first of all, thank you for your service! The Seabees Rock! I appreciate your response. I am looking into the Harley Mufflers. However, I am anxious to get it together and on the road so... I am, for the time being, trying the straight pipe with baffle plates welded on each end. I pick them up tonight.

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scotterichmond
Posts: 613
Joined: Fri May 06, 2011 3:49 pm
Location: Marblemount,wa
Motorcycle: 1975 GL1000
[img]http://images.goldwingdocs.com/scotterichmond_32376/Modestly_restored_1975_GL1000_750/engine_repainted_even_new_embl_3919.jpg[/img]

Re: Straight pipe exhaust

Postby scotterichmond » Fri Jun 01, 2012 4:49 pm

I have run my 75 with just headers ( test run) and I am not at all in favor of straight pipes. not for the noise factor, but because the four cylinder engine sounds weird to me. the way they fire, makes them sound like a VW with a bad muffler. Don't sound tuff or "healthy" at all to me.

But , this is just my opinion, and we all know what those are worth. :lol:

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Fred Camper
Posts: 1152
Joined: Sun Aug 16, 2009 9:15 pm
Location: Metro Detroit, MI
Motorcycle: 1977 GL1000, 1976 LTD GL1000

Re: Straight pipe exhaust

Postby Fred Camper » Fri Jun 01, 2012 6:08 pm

Keep in mind that HD take off mufflers are really cheap and excellent quality. They come off new bikes by the dozen and GL owners are really the only market for them. They give you great Chrome and can still tune the baffles.

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twaggoner
Posts: 36
Joined: Mon Oct 31, 2011 6:28 pm
Location: Mooresville, IN
Motorcycle: 1977 GL1000

Re: Straight pipe exhaust

Postby twaggoner » Sun Jun 03, 2012 8:00 am

Fred... where is the best place to find the HD exhaust? I would guess Craigs list or something like that? If you have any ideas, please give me a shout back. I appreciate all of the advice and yes... scottierichmond, I do know what opinions are worth however, I do appreciate it ;)

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seabee_
Posts: 494
Joined: Sun May 29, 2011 8:17 pm
Location: sterling heights, mi
Motorcycle: 1985 Honda Goldwing GL1200
117k miles
1977 Kawasaki kz400
1978 Suzuki GSXr750
1980 Kawasaki GPZ400
1975 Honda CB360T

Re: Straight pipe exhaust

Postby seabee_ » Sun Jun 03, 2012 10:14 am

Craigs list and Ebay are good places. You can also check Harley dealers to see if they have any take offs when people upgrade their exhausts.
Paul
CE1 Navy Seabees/RET
1981 to 2002
ASE Mechanic

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Fred Camper
Posts: 1152
Joined: Sun Aug 16, 2009 9:15 pm
Location: Metro Detroit, MI
Motorcycle: 1977 GL1000, 1976 LTD GL1000

Re: Straight pipe exhaust

Postby Fred Camper » Sun Jun 03, 2012 11:44 am

Agree that HD dealers is a good place to check. I got a set from Craig's list, but my next set was on evilbay and lots less expensive and better quality.

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shawnee1952
Posts: 29
Joined: Sat Feb 18, 2012 10:48 am
Location: Lisbon Ohio
Motorcycle: 1977 gl1000
1987 Gl1200 Interstate

Re: Straight pipe exhaust

Postby shawnee1952 » Thu Jun 07, 2012 7:26 am

I tried the straight pipe for about five minutes before I decided to find some HD mufflers.(did not like the sound at all but everyone to their own likings) Craigslist and local swap meets are a good bet. The HD mufflers have a nice tone and the chrome is a good quality. I got lucky and had a set given to me by a guy who was tired of storing them.




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